Factor x2 − 8x+15 x 2 - 8 x + 15 using the AC method. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Solve for x x^2-8x+15<0., < > ≤: ≥ ^ √: ⬅: : F _ ÷ | (* / ⌫ A: ↻: x: y = +-G Algebra. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. x = ±√8 x = ± 8. x2 − 8x + 15 < 0 x 2 - 8 x + 15 < 0. (x +4)2 − 2 = 16. 8±√(−8)2 − 4⋅(1⋅52) 2⋅1 8 ± ( - 8) 2 - 4 ⋅ ( 1 Algebra. x ^ 2 +8x +7 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. Use the quadratic formula to find the solutions. Subtract 13 13 from both sides of the equation. Solve by Factoring x^2-8x+12=0. −8±√82 −4⋅ (1⋅−12) 2⋅1 - 8 2. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. x2 + 8x − 20 = 0 x 2 + 8 x - 20 = 0. x2 + 8x − 10 = 0 x 2 + 8 x - 10 = 0. Free math problem solver answers your algebra, geometry y(4) = 42 − 8 ⋅ 4 + 17 = 16 − 32 + 17 = 1; ∀x ∈ R, x2 − 8x + 17 ≥ 1 > 0. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. The quadratic formula gives two solutions, one … Linear equation Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Solve your math problems using our free math solver with step-by-step solutions. High School Math Solutions - Inequalities Calculator, Exponential Inequalities. b2 − 4(ac) b 2 - 4 ( a c) Substitute in the values of a a, b b, and c c. Add 16 to both sides of the equation : Solve Using the Quadratic Formula x^2+8x-12=0. x2 − 8x + 6 = 0 x 2 - 8 x + 6 = 0. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Use the quadratic formula to find the solutions. Step 2: Click the blue arrow to submit and see the result! The equation solver allows you to enter your problem and solve the equation to see the result. The Factoring Calculator transforms complex expressions into a product of simpler factors. x2 − 8x+(−4)2 = 0+(−4)2 x 2 - 8 x + ( - 4) 2 = 0 + ( - 4) 2.4444+0. Factor x2 − 8x+12 x 2 - 8 x + 12 using the AC method. Algebra. Solve Using the Quadratic Formula x^2-8x-11=0..2 Solving x2-8x+2 = 0 by Completing The Square . If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Solve by Completing the Square x^2-8x=0. x2 − 8x + 25 = 0 x 2 - 8 x + 25 = 0. Add 8 8 to both sides of the equation. x2 − 8 = 0 x 2 - 8 = 0. or (x + 2)2 −(√28)2 = 0.5984i x = (-8+√-116)/-18= (4-i√ 29 )/9= 0. b = 8 b = 8. Solve by Completing the Square x^2-8x-4=0. x2 − 8x + 7 = 0 x 2 - 8 x + 7 = 0. Add the term to each side of the equation. Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Solve x^2-8x+1=0 | Microsoft Math Solver. Add 16 to both sides of the equation : On the right hand side we have : Explore math with our beautiful, free online graphing calculator. x2+8x-20=0 Two solutions were found : x = 2 x = -10 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. en. How to Use the Calculator. In this case, that would be (8 ÷ 2)2 = 16. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Answer: -1, 9.1 Factoring x2+8x+15 The first term is, x2 its 2x2+8x+1=0 Two solutions were found : x = (-8-√56)/4=-2-1/2√ 14 = -3. x2 − 8x − 6 = 0 x 2 - 8 x - 6 = 0. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Difference of Squares: a2 - b2 = (a + b)(a - b) a 2 - b 2 = ( a + b) ( a - b) Step 2: Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Algebra Solve for x Calculator Step 1: Enter the Equation you want to solve into the editor. x−6 = 0 x - 6 = 0. Rewrite as . x2+8x-384=0 Two solutions were found : x = 16 x = -24 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. x ^ 2 +8x +7 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. Steps Using Direct Factoring Method. x2 − 8x = 4 x 2 - 8 x = 4. x−6 = 0 x - 6 = 0. Solve Using the Quadratic Formula x^2-8x-4=0. 2) take the result of 1) and square it. Solve Quadratic Equation using the Quadratic Formula 2. messages.162 x = (-4+√40)/2=-2+√ 10 = 1.2 Solving x2-8x+41 = 0 by Completing The Square .1 Pull out like factors : -x2 Explanation: To complete the square, take the second coefficient (the one next to the x ), divide it by 2, and square it. Tap for more steps (x−5)(x− 3) = 0 ( x - 5) ( x - 3) = 0. Find a pair of integers whose product is c c and whose sum is b b. Tap for more steps (x−6)(x− 2) = 0 ( x - 6) ( x - 2) = 0. Add the term to each side of the equation. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. x2 − 8x + 14 = 0 x 2 - 8 x + 14 = 0. x2 − 8x = −13 x 2 - 8 x = - 13. Step 2: Click the blue arrow to submit and see the result! x ^ 2 -8x -2 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. x−10 = 0 x - 10 = 0.4444+0.evloS . Algebra. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Solve for x x^2+8x+14=0. Step 1. x ^ 2 +8x +16 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. a(x+d)2 +e a ( x + d) 2 + e. Consider the form x2 + bx+c x 2 + b x + c. Add the term to each side of the equation. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. $\exponential { (x)} {2} - 8 x - 33 = 0 $. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = 52 c = 52 into the quadratic formula and solve for x x. Add 20 20 to both sides of the equation. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. And it is sometimes greater than 0 (take x = 0, for instance). To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. x−5 = 0 x - 5 = 0. The Factoring Calculator transforms complex expressions into a product of simpler factors. Add the term to each side of the equation. According to the Quadratic Formula, x , the solution for Ax 2 +Bx+C = 0 , where A, B and C are numbers, often called coefficients, is given by : Example 3Find the centre and the radius of the circle x2 + y2 + 8x + 10y - 8 = 0Given x2 + y2 + 8x + 10y − 8 = 0We need to make this in form (x - h)2 + (y - k)2 = r2From (1) x2 + y2 + 8x + 10y − 8 = 0 (x2 + 8x) + (y2 + 10y) = 8 (x)2 + 2(4)(x) + y2 + 2(5)(y) = 8 [x2 + Final Answer. Integration.Popular Problems Algebra Solve by Factoring x^2-8x=0 x2 − 8x = 0 x 2 - 8 x = 0 Factor x x out of x2 −8x x 2 - 8 x. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. x(x +8) = 0. Algebra. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16.1 Factoring x2+8x-384 The first term is, x2 x2+8x-840=0 Two solutions were found : x = (-8-√3424)/2=-4-2√ 214 = -33. Last post, we talked about how to solve logarithmic inequalities. Solve for x. Type in any equation to get the solution, steps and graph. Enter a … 4x2+8x-5=0 Two solutions were found : x = -5/2 = -2. Tap for more steps x(x−8) = 0 x ( x - 8) = 0 If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Add 7 to both side of the equation : x2-8x = 7. Related Symbolab blog posts. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. x ^ 2 -8x -2 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. x2 − 8x − 3 = 0 x 2 - 8 x - 3 = 0. Please use at your own risk, and please alert us if something isn't working. Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work.2 Solving x2+8x-180 = 0 by Completing The Square . Solve. x2 − 8x+15 = 0 x 2 - 8 x + 15 = 0. x = 4 +- 3sqrt2 I'm assuming we need to also solve the equation.4444-0. or (x + 2)2 −16 − 12 = 0. x2 − 8x = −6 x 2 - 8 x = - 6. Solve Using the Quadratic Formula x^2-8x-9=0. Matrix.600 x = 2 Step by step solution : Step 1 :Equation at the end of step 1 : (5x2 + 8x) - 36 = 0 Step 2 :Trying to factor by splitting 2x2+8x-3=0 Two solutions were found : x = (-8-√88)/4=-2-1/2√ 22 = -4. As an example let's complete the square for this quadratic equation: 2x2 − 12x + 7 = 0 2 x 2 − 12 x + 7 = 0. x2 − 8x − 9 = 0 x 2 - 8 x - 9 = 0. Solve for x.2 Solving x2+8x+7 = 0 by Completing The Square . x^{2}+8x+7=0. x2 − 8x = 3 x 2 - 8 x = 3. Steps Using Direct Factoring Method. a ≠ 1, and a = 2, so divide all terms X^{2}+8x+5=0. Isolate the variable, and solve for the variable by undoing any arithmetic Free math problem solver answers your algebra homework questions with step-by-step explanations. Examples using the quadratic formula Example 1: Find the Solution for x 2 + − 8 x + 5 = 0, where a = 1, b = -8 and c = 5, using the Quadratic Formula. c = 0 c = 0.2 Solving x2-8x+80 = 0 by Completing The Square . Learn more about: x2 + 8x + 12 = 0 x 2 + 8 x + 12 = 0. 3) add the result of 2) and add it to both sides of the equation. Solve by Completing the Square x^2-8x-9=0. Disclaimer: This calculator is not perfect. dxd (x − 5)(3x2 − 2) Integration. Tap for more steps (x−5)(x− 3) = 0 ( x - 5) ( x - 3) = 0 If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. x2 − 8x − 5 = 0 x 2 - 8 x - 5 = 0. Add the term to each side of the equation. 7 × 1 = 7 and 7 + 1 = 8 , then. Answer: (x - 4)² = 25.3 Solving x 2-8x+25 = 0 by the Quadratic Formula .5 = x 8 - 2 x 5 = x8 − 2x . How do you factor and solve x2 + 8x = 0? Algebra Quadratic Equations and Functions Comparing Methods for Solving Quadratics 1 Answer Nicole May 21, 2016 x = 0 x = − 8 Explanation: x2 +8x = 0 x(x +8) = 0 x = 0 x = − 8 Answer link x=0 x=-8 x^2+8x=0 x (x+8)=0 x=0 x=-8 Popular Problems Algebra Solve by Completing the Square x^2+8x-2=0 x2 + 8x − 2 = 0 x 2 + 8 x - 2 = 0 Add 2 2 to both sides of the equation. View solution steps. Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. 1) divide it by 2. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. An example with three indeterminates is x³ + 2xyz² − yz + 1. Consider the factors of the constant term (+ 7) which sum to give the coefficient of the x- term (+ 8) The factors are + 7 and + 1 , since. Use the quadratic formula to find the solutions. Step 1. Type in any equation to get the solution, steps and graph. Tap for more steps (x−5)(x− 3) = 0 ( x - 5) ( x - 3) = 0. x2 − 8x − 4 = 0 x 2 - 8 x - 4 = 0. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Subtract 7 from both side of the equation : x2+8x = -7. Subtract 6 6 from both sides of the equation. For example, enter 3x+2=14 into the text box to get a step-by-step explanation of how to solve 3x+2=14. Algebra. Substitute the values a = 2 a = 2, b = −8 b = - 8, and c = 0 c = 0 into the quadratic formula and solve for x x. Check that the middle term is two times the product of the numbers being squared in the first term and third term. Algebra. Simplify ±√8 ± 8. x2 + 8x + 14 = 0 x 2 + 8 x + 14 = 0. x−10 = 0 x - 10 = 0. Tap for more steps (x−6)(x− 2) = 0 ( x - 6) ( x - 2) = 0. But what if the quadratic Example 01: Solve $ x^2 \color{red}{-8}x \color{blue}{+ 15} = 0 $ by factoring. Factor x2 + 8x−48 x 2 + 8 x - 48 using the AC method. x = − 8.1 mret elddim eht gnittilps yb rotcaf ot gniyrT: 1 petS : noitulos pets yb petS 71 + x8 - 2x : tluser laniF 71+x8-2x . Step 1. Use the quadratic formula to find the solutions. Add 180 to both side of the equation : x2+8x = 180. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Subtract 41 from both side of the equation : x2-8x = -41. Next up in our Getting Started maths solutions series is help with another middle school algebra topic - solving Read More. x2 − 8x − 4 = 0 x 2 - 8 x - 4 = 0. Use the quadratic formula to find the solutions. x2 − 8x = −25 x 2 - 8 x = - 25. Tap for more steps (x−5)(x− 3) = 0 ( x - 5) ( x - 3) = 0. Subtract 41 from both side of the equation : x2-8x = -41. Factor x2 + 8x−9 x 2 + 8 x - 9 using the AC method. For BD-R/RE/R TL/ROM, DVD±RW/±R/±R DL, DVD-RAM, DVD-ROM and CD-R/RW/ROM for versatile use. (b 2)2 = (4)2 ( b 2) 2 = ( 4) 2. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = 15 c = 15 into the quadratic formula and solve for x x. Solve Using the Quadratic Formula x^2-8x-5=0. x^{2}+8x+25=0. Add this number to both sides of the original equation: (x2 + 8x + 16) −2 = 16. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Here we see that the leading coefficient is 1, so the factoring method is our first choice. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. x ^ 2 -8x +12 = 0. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Step 1: Enter the expression you want to factor in the editor. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Solve by Factoring x^2-8=0. x² + 8x + 7 = 0. An example of a polynomial of a single indeterminate x is x² − 4x + 7. Substitute the values a = 1 a = 1, b = 8 b = 8, and c = −12 c = - 12 into the quadratic formula and solve for x x. When we complete the square we want to end up with a quadratic that can be factored in the form (x+a) 2 or (x-a) 2. Related Symbolab blog posts. Convert the inequality to an equation. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. Solve an equation, inequality or a system. Solving quadratics by factorizing (link to previous post) usually works just fine. en. Solve for x x^2-8x+15<0. Choose the solutions to the quadratic equation x2 - 8x - 9 = 0. Now that you have x² - 8x + 16 = 9 + 16, apply the square root property to the equation.

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Use the quadratic formula to find the solutions. Type your algebra problem into the text box. x2 +2 ×4 ×x +42 − 42 − 12 = 0. x2 − 8x − 5 = 0 x 2 - 8 x - 5 = 0. 8±√(−8)2 −4 ⋅(1⋅−32) 2 x2-8x-9=0 Two solutions were found : x = 9 x = -1 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1.2 Solving x2-8x-7 = 0 by Completing The Square . Factor x2 − 8x+12 x 2 - 8 x + 12 using the AC method. Free quadratic equation calculator - Solve quadratic equations using factoring, complete the square and the quadratic formula step-by-step To solve the equation for different variables step-by-step clear any fractions by multiplying both sides of the equation by the LCM of the denominators. x2 − 8x = −7 x 2 - 8 x = - 7. Get help on the web or with our math app. Solve for x. (x + 7) (x + 1) = 0 ← in factored form. Middle School Math Solutions – Inequalities Calculator. Solve Quadratic Equation using the Quadratic Formula 2. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. x2 − 8x − 20 = 0 x 2 - 8 x - 20 = 0. Difference of Squares: a2 – b2 = (a + b)(a – b) a 2 Solve by Completing the Square x^2-8x-5=0. Add 16 to both sides of the equation : On the right hand side we have : Multiply both sides of the equation by (-1) to obtain positive coefficient for the first term: x2-8x-27 = 0 Add 27 to both side of the equation : x2-8x = 27. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −6 c = - 6 into the quadratic formula and solve for x x. Use the quadratic formula to find the solutions.915 x = (8+√136)/4=2+1/2√ 34 = 4. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −9 c = - 9 into the quadratic formula and solve for x x.3 Solving x 2 +8x-200 = 0 by the Quadratic Formula . Solve by Completing the Square x^2+8x-20=0. To complete the square when a is greater than 1 or less than 1 but not equal to 0, divide both sides of the equation by a. Steps Using the Quadratic Formula. Solve by Factoring x^2-8x-20=0. x=0 or x+8=0 x=0 or x=−8 Solución: x=0 or x=−8. Luego establecer que cada factor sea igual Step-by-step explanation: Given. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. High School Math Solutions – Quadratic Equations Calculator, Part 2. Algebra. Algebra. −8±√82 −4 ⋅(1⋅14) 2⋅1 - 8 ± 8 2 - 4 ⋅ ( 1 ⋅ Solve x^2-8x+12=0 | Microsoft Math Solver. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. or (x + 2)2 −28 = 0. x2 + 8x = 2 x 2 + 8 x = 2 To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. (b 2)2 = (4)2 ( b 2) 2 = ( 4) 2 Online math solver with free step by step solutions to algebra, calculus, and other math problems. x2 + 8x − 48 = 0 x 2 + 8 x - 48 = 0. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −9 c = - 9 into the quadratic formula and solve for x x. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Tap for more steps Solve Using the Quadratic Formula x^2-8x-9=0.5984i x = (-8+√-116)/-18= (4-i√ 29 )/9= 0. 2. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −5 c = - 5 into the quadratic formula and solve for x x. Add 10 10 to both sides of the equation. Subtract 2 from both side of the equation : x2-8x = -2. Find the Discriminant x^2+8x+16=0. Solve Using the Quadratic Formula x^2-8x-6=0. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −11 c = - 11 into the quadratic formula and solve for x x. Solve by Completing the Square x^2-8x=0. Type in any equation to get the solution, steps and graph.5984i Step by step Algebra. Factor x2 − 8x−20 x 2 - 8 x - 20 using the AC method. b2 − 4(ac) b 2 - 4 ( a c) Substitute in the values of a a, b b, and c c. x2 +8x − 12 = 0 can be written as. 3,5 3, 5. x2 − 8x+(−4)2 = 0+(−4)2 x 2 - 8 x + ( - 4) 2 = 0 + ( - 4) 2. Solve by Factoring x^2-8x+12=0. x2 + 8x − 12 = 0 x 2 + 8 x - 12 = 0. Tap for more steps (x−4)(x+ 12) = 0 ( x - 4) ( x + 12) = 0. Add the term to each side of the equation. Related Symbolab blog posts. To do this we work with the coefficient of x, not x 2. Add 16 to both sides of the equation : On the right hand side we have : x ^ 2 -8x -8 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. The calculator solution will show work using the quadratic formula to solve the entered equation for real and complex roots. But what if the quadratic 2x2-8x=0 Two solutions were found : x = 4 x = 0 Step by step solution : Step 1 :Equation at the end of step 1 : 2x2 - 8x = 0 Step 2 : Step 3 :Pulling out like terms : 3. x2 − 8x − 9 = 0 x 2 - 8 x - 9 = 0. Steps Using the Quadratic Formula. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. a = 1 a = 1. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Subtract 80 from both side of the equation : x2-8x = -80. x = − b ± b 2 − 4 a c 2 a x = − ( − 8) ± ( − 8) 2 − 4 ( 1) ( 5) 2 ( 1) x = 8 ± 64 − 20 2 x = 8 ± 44 2 The discriminant b 2 − 4 a c > 0 so, there are two real roots. Solve by Completing the Square x^2-8x+6=0. Algebra. Find the value of d d using the formula d = b 2a d = b 2 a. Enter a problem Cooking Calculators.1 Pull We can solve x2 + 8x − 12 = 0 by using completing square method, as follows. Add 20 20 to both sides of the equation. Related Symbolab blog posts. en.3. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. x2 − 8x = 5 x 2 - 8 x = 5. Add the term to each side of the equation.0 Blu-ray Disc rewriter that features 6x maximum BD-R and 2x BD-RE write speeds to help you rapidly complete your tasks. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. 8±√(−8)2 −4 ⋅(1⋅−5) 2⋅1 8 x2 + 8x + 15 ≥ 0 x 2 + 8 x + 15 ≥ 0. Subtract 6 6 from both sides of the equation. x2 + 8x − 9 = 0 x 2 + 8 x - 9 = 0. Equate each factor to zero and solve for x. x^{2}-8x=-15 . Solve by Factoring x^2-8x-20=0. Solve Using the Quadratic Formula x^2-8x-20=0. Take the specified root of both sides of the equation to eliminate the exponent on the left side. Factor x2 − 8x+15 x 2 - 8 x + 15 using the AC method. 8±√(−8)2 −4 ⋅(1⋅−6) 2⋅1 8 x2+8x=0 Paso 1: Factorizar ambos lados de la ecuación. Enter a problem Cooking Calculators. Steps for Completing the Square. en. x^{2}+8x+15=0. x2 − 8x = 9 x 2 - 8 x = 9. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Steps for Completing the Square. Step 2: Click the blue arrow to submit and see your result! Frequently Asked Questions (FAQ) What are the solutions to the equation x^2=-8x ? The solutions to the equation x^2=-8x are x=0,x=-8; Find the zeros of x^2=-8x Algebra. x2 − 8x + 15 = 0 x 2 - 8 x + 15 = 0. x(x+8)=0 Paso 2: Set factors equal to 0. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2.257 x = (-8+√3424)/2=-4+2√ 214 = 25. Convert the inequality to an equation. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Since the discriminant is negative, x2 − 8x + 17 is never 0.1 Pull 2x2-8x-1 Final result : 2x2 - 8x - 1 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 8x) - 1 Step 2 :Trying to factor by splitting the middle 2x2-8x=0 Two solutions were found : x = 4 x = 0 Step by step solution : Step 1 :Equation at the end of step 1 : 2x2 - 8x = 0 Step 2 : Step 3 :Pulling out like terms : 3. x2 − 8x = −14 x 2 - 8 x = - 14. Solve for x. Use the quadratic formula to find the solutions. Add 3 3 to both sides of the equation. Factor using the perfect square rule. 4. Solve by Completing the Square x^2-8x+14=0. x2 − 8x = 0 x 2 - 8 x = 0. So the coefficient of x is -8. Solve by Completing the Square x^2-8x+13=0. Solve by Completing the Square x^2+8x-20=0. Algebra. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Simultaneous equation. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. x2 + 8x = 20 x 2 + 8 x = 20. Factor x2 − 8x−20 x 2 - 8 x - 20 using the AC method. Multiformat support. Steps Using Factoring By Grouping. x→−3lim x2 + 2x − 3x2 − 9. 8±√(−8)2 −4 ⋅(1⋅−4) 2⋅1 8 Solve by Factoring x^2-8x+16=0. Two numbers r and s sum up to -8 exactly when the average of the two numbers is \frac{1}{2}*-8 = -4. Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. The discriminant of a quadratic is the expression inside the radical of the quadratic formula. x2 − 8x + 6 = 0 x 2 - 8 x + 6 = 0. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Step 1: Enter the expression you want to factor in the editor. Add the term to each side of the equation. Find the Discriminant x^2+8x+16=0. Solve by Completing the Square x^2-8x+25=0. Steps Using Direct Factoring Method. Solve Quadratic Equation by Completing The Square. x ^ 2 +8x +16 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. Basic Math. Enter a problem Cooking Calculators. Algebra. Use the quadratic formula to find the solutions. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. x2+8x+12=0 Two solutions were found : x = -2 x = -6 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. 8±√(−8)2 −4 ⋅(1⋅−9) 2⋅1 8 Factoring Calculator. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Steps for Completing the Square. de nada gracias Publicidad Publicidad isadorapazsanmartinc isadorapazsanmartinc Respuesta: Mover todos los términos al lado izquierdo e igualar a cero. Step 1. 1) divide it by 2. x = 0. Subtract 15 from both sides of the equation. en. x2 = 8 x 2 = 8. Add 4 4 to both sides of the equation. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a.2 Solving x2+8x-20 = 0 by Completing The Square . 2. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0.spets eht lla htiw snoitauqe cimhtiragol dna laitnenopxe ,lacidar ,laimonylop ,citardauq ,raenil evlos - rotaluclac snoitauqe eerF !koobetoN ot evaS c dna ,b ,a erehw ,0 = c + xb + 2^xa mrof lareneg eht gnivah laimonylop eerged dnoces a si noitauqe citardauq A 2 )11−⋅1(⋅4− 2)8−(√±8 .915 Step by step solution : Step 1 :Equation at the end Solve for x x^2-8x+52=0. x^2 - 8x = 2 x^2 - 8x - 2 = 0 Now, to factor this, we need to find two factors of -2 which add up to -8 Through a little bit of trial and error, you will find that there actually aren't any pairs of 3. The discriminant of a quadratic is the expression inside the radical of the quadratic formula. x2 − 8x − 32 = 0 x 2 - 8 x - 32 = 0. Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. arrow right. In order to complete the square, the equation must first be in the form x^{2}+bx=c. Convert the inequality to an equation. 3) add the result of 2) and add it to both sides of the equation. Steps for Completing the Square. Factor x^2+8x+15. High School Math Solutions - Quadratic Equations Calculator, Part 2. Subtract 25 25 from both sides of the equation. Add 5 5 to both sides of the equation. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Popular Problems Algebra Solve by Completing the Square x^2+8x-2=0 x2 + 8x − 2 = 0 x 2 + 8 x - 2 = 0 Add 2 2 to both sides of the equation. Solve Using the Quadratic Formula x^2-8x-32=0.sregetni eseht gnisu mrof derotcaf eht etirW . (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Solve by Completing the Square x^2-8x-3=0.345 Step by step solution : Step 1 :Equation x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Solve quadratic equations step-by-step. x = 0 x = 0 Linear equation Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Solve your math problems using our free math solver with step-by-step solutions. 2. Add 16 to both sides of the equation : On the right hand side we have : x2 + 8x - 0 = Explicación paso a paso: solo se pasan los valores que estan adelante del igual y se pasan a negativo si es positivo y si es negativo se pasa a positivo. 2x2 − 8x = 0 2 x 2 - 8 x = 0. Use the quadratic formula to find the solutions. 2. 8±√(−8)2 − 4⋅(2⋅0) 2⋅2 8 ± ( - 8) 2 - 4 Differentiation. 2) take the result of 1) and square it. When we complete the square we want to end up with a quadratic that can be factored in the form (x+a) 2 or (x-a) 2. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. 4x2+8x-5=0 Two solutions were found : x = -5/2 = -2. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −4 c = - 4 into the quadratic formula and solve for x x. Subtracting 15 from itself leaves 0. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. x2 + 8x = 20 x 2 + 8 x = 20. 2.0 = 02 - x 8 - 2 x 0 = 02 − x8 − 2x . x^{2}+8x+25=0. Tap for more steps (x−10)(x +2) = 0 ( x - 10) ( x + 2) = 0. x ^ 2 -8x +16 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. Use the quadratic formula to find the solutions. Tap for more steps x(x−8) = 0 x ( x - 8) = 0 If any individual … 4x2+8x=0 Two solutions were found : x = -2 x = 0 Step by step solution : Step 1 :Equation at the end of step 1 : 22x2 + 8x = 0 Step 2 : Step 3 :Pulling out like terms : 3. Answer link. First problem: x2 + -8 x = 9.1 Factoring x2+8x-20 The first term is, x2 its x ^ 2 -8x +16 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. −8±√82 −4⋅ (1⋅−3) 2⋅1 - 8 ± 8 2 x 2 - 8x + 25 = 0 has two solutions: x = 4 + √ 9 • i or x = 4 - √ 9 • i . x−1 = 0 x - 1 = 0. Steps Using Factoring By Grouping. Tap for more steps (x−10)(x +2) = 0 ( x - 10) ( x + 2) = 0.2 Solving x2-8x-2 = 0 by Completing The Square . Add the term to each side of the equation. This post, we will learn how to solve exponential Read More.

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x = 0 x = 0 x−8 = 0 x - 8 = 0 Set x x equal to 0 0. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0. Consider the vertex form of a parabola. Thank you. x2 − 8x + 15 < 0 x 2 - 8 x + 15 < 0. x2 + 8x + 16 = 0 x 2 + 8 x + 16 = 0. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. x^{2}+8x+12=0. Step 1: Enter the Equation you want to solve into the editor. Solve by Completing the Square x^2-8x-5=0. Solve Quadratic Equation by Completing The Square.1 Factoring x2+8x+12 The first term is, x2 its x ^ 2 +8x +3 = 0. Solve Using the Quadratic Formula 2x^2-8x=0. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. x2 + 8x+ x 2 + 8 x +.162 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 8x) - 12 = 0 -x2+8x-12=0 Two solutions were found : x = 6 x = 2 Step by step solution : Step 1 : Step 2 :Pulling out like terms : 2. Add 16 to each side x2 - 8x = 9 to complete the square. Add 16 to both sides of the equation : On the right hand side we have : Complete the Square x^2+8x+. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Use the quadratic formula to find the solutions. and as factors of a2 −b2 are (a +b) and (a −b), quadratic polynomial on LHS can be factorized as under: (x Solve x^2+8x-6=0 | Microsoft Math Solver.rotareneG melborP marfloW dna snoitulos pets-yb-pets htiw ecnadiug dna kcabdeef etaidemmi teG . −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Use the form ax2 +bx+c a x 2 + b x + c, to find the values of a a, b b, and c c. Quadratic equations such as this one can be solved by completing the square.1 Pull How … Explanation: x2 +8x = 0. You can also add, subtraction, multiply, and divide and complete any arithmetic you need.871 x = (-8+√56)/4=-2+1/2√ 14 = -0. Algebra. (b 2)2 = (4)2 ( b 2) 2 = ( 4) 2.1. x2 − 8x + 12 = 0 x 2 - 8 x + 12 = 0. Algebra. (b 2)2 = (4)2 ( b 2) 2 = ( 4) 2.500 Step by step solution : Step 1 :Equation at the end of step 1 : (22x2 + 8x) - 5 = 0 Step 2 :Trying to factor by -9x2+8x-5=0 Two solutions were found : x = (-8-√-116)/-18= (4+i√ 29 )/9= 0. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. The Math Calculator will evaluate your problem down to a final solution.500 x = 1/2 = 0. Subtract 7 7 from both sides of the equation. Add 20 to both side of the equation : x2+8x = 20. Simplify the Radical: 3x2-8x+5=0 Two solutions were found : x = 1 x = 5/3 = 1. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2.500 x = 1/2 = 0. x ^ 2 -8x -20 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. x2 − 8x − 11 = 0 x 2 - 8 x - 11 = 0. x2 − 8x − 20 = 0 x 2 - 8 x - 20 = 0. Related Symbolab blog posts. This online calculator is a quadratic equation solver that will solve a second-order polynomial equation such as ax 2 + bx + c = 0 for x, where a ≠ 0, using the quadratic formula. Steps Using Direct Factoring Method. Solve by Factoring x^2+8x-48=0. quadratic-equation-calculator. It can factor … x^{2}-8x-8=0 All equations of the form ax^{2}+bx+c=0 can be solved using the quadratic formula: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. See a solution process below: We can rewrite the equation in standard form as: x^2 + 8x + 0 = 0 Now, we can use the quadratic equation to solve this problem: The quadratic formula states: For color (red) (a)x^2 + color (blue) (b)x + color (green) (c) = 0, the values of x which are the solutions to the equation are given by: x Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Solve your math problems using our free math solver with step-by-step solutions.4444-0. x2 − 8x + 52 = 0 x 2 - 8 x + 52 = 0. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −32 c = - 32 into the quadratic formula and solve for x x. Limits. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Tap for more steps 16 16. Tap for more steps (x−1)(x+ 9) = 0 ( x - 1) ( x + 9) = 0. Add 2 to both side of the equation : x2-8x = 2. x2 − 8x+15 = 0 x 2 - 8 x + 15 = 0. The equation calculator allows you to take a simple or complex equation and solve by best method possible. The Factoring Calculator transforms complex expressions into a product of simpler factors. 8±√(−8)2 − 4⋅(1⋅15) 2⋅1 8 ± Solve Quadratic Equation by Completing The Square. Use the quadratic formula to find the solutions.667 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 - 8x) + 5 = 0 Step 2 :Trying to factor by splitting the 4x2-8x+1=0 Two solutions were found : x = (8-√48)/8=1-1/2√ 3 = 0. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. Solve by Completing the Square x^2-8x+6=0. PD: ya es tarde, 3 años tarde! Publicidad Publicidad Nuevas preguntas de Matemáticas. Popular Problems Algebra Solve by Factoring x^2-8x=0 x2 − 8x = 0 x 2 - 8 x = 0 Factor x x out of x2 −8x x 2 - 8 x. Get all the terms with the wanted variable on one side of the equation and all the other terms on the other side. Solving quadratics by factorizing (link to previous post) usually works just fine. To factor this equation, we must find two numbers ( $ a $ and $ b $ ) with a sum is $ a + b = \color{red}{8} $ and a product of $ a \cdot b = \color{blue}{15} $. An example with three indeterminates is x³ + 2xyz² − yz + 1. According to the Quadratic Formula, x , the solution for Ax 2 +Bx+C = 0 , where A, B and C are numbers, often called coefficients, is given by : Solve x^2-8x-33=0 | Microsoft Math Solver. So the coefficient of x is -8. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Quadratic equation The values of x that satisfy the … Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Step 1: Enter the expression you want to factor in the editor. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Math Calculator.134 x = (8+√48)/8=1+1/2√ 3 = 1. x2 − 8x + 15 = 0 x 2 - 8 x + 15 = 0. This will give you the number you need to complete the square. Add the term to each side of the equation. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. x2 − 8x = 8 x 2 - 8 x = 8. x−4 = 0 x - 4 = 0. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. Substitute the values a = 1 a = 1, b = 8 b = 8, and c = −3 c = - 3 into the quadratic formula and solve for x x. Solve. quadratic-equation-calculator. Example: 2x-1=y,2y+3=x. Add 16 to both sides of the equation : On the right hand side we have : Algebra. Get help on the web or with our math app. Online math solver with free step by step solutions to algebra, calculus, and other math problems. Substitute the values a = 1 a = 1, b = −8 b = - 8, and c = −20 c = - 20 into the quadratic formula and solve for x x. View solution steps. In this case, whose product is 15 15 and whose sum is 8 8. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Algebra. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16. The first step is to move all the terms to one side. Step 2: Click the blue arrow to submit and see the result! The solve for x calculator allows you to enter your problem and solve the equation to see the result. Solve by Completing the Square x^2-8x+7=0. Use the quadratic formula to find the solutions. x2 + 8x+15 = 0 x 2 + 8 x + 15 = 0. A quadratic equation has at most two solutions. Middle School Math Solutions - Inequalities Calculator. If any individual factor on the left side of the equation is equal to 0 0, the entire x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Solve quadratic equations step-by-step. To factor this equation, we must find two numbers ( $ a $ and $ b $ ) with a sum is $ a + b = \color{red}{8} $ and a product of $ a \cdot b = \color{blue}{15} $.4. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Our … Solve an equation, inequality or a system. x2 + 8x+16 x 2 + 8 x + 16. Factor x2 − 8x+15 x 2 - 8 x + 15 using the AC method.866 Step by step solution : Step 1 :Equation at the Easily and quickly record up to 100GB of data with this LG BP50NB40 8x external USB 2. Next up in our Getting Started maths solutions series is help with another middle school algebra topic - solving Read More. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Here we see that the leading coefficient is 1, so the factoring method is our first choice. Rewrite the polynomial. Tap for more steps (x+3)(x+ 5) = 0 ( x + 3) ( x + 5) = 0. 82 − 4(1⋅16) 8 2 - 4 ( 1 ⋅ 16) Evaluate the result to find the discriminant. ∫ 01 xe−x2dx. x−5 = 0 x - 5 = 0 Answer link. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. en. r + s = 8 rs = 12. x2 − 8x − 9 = 0 x 2 - 8 x - 9 = 0. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0. Steps Using the Quadratic Formula. r + s = -8 rs = 3. x^{2}-8x+15=0 . −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. If any individual factor on the left side of the equation is equal to 0 0, the entire Example 01: Solve $ x^2 \color{red}{-8}x \color{blue}{+ 15} = 0 $ by factoring. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. (b 2)2 = (4)2 ( b 2) 2 = ( 4) 2. Substitute the values a = 1 a = 1, b = 8 b = 8, and c = 14 c = 14 into the quadratic formula and solve for x x. x2 + 8x − 3 = 0 x 2 + 8 x - 3 = 0. To do this we work with the coefficient of x, not x 2. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Add 8 8 to both sides of the equation. Solve your math problems using our free math solver with step-by-step solutions. Limits. 82 − 4(1⋅16) 8 2 - 4 ( 1 ⋅ 16) Evaluate the result to find the discriminant.1 Factoring x2-8x-9 The first term is, x2 its 2x2-8x-9=0 Two solutions were found : x = (8-√136)/4=2-1/2√ 34 = -0. Subtract 14 14 from both sides of the equation. Tap for more steps Step 1. GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. x2 + 8x = 2 x 2 + 8 x = 2 To create a … Linear equation. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Therefore, by the intermediate value theorem, x2 − 8x + 17 is always greater than 0. x2 + 8x = 10 x 2 + 8 x = 10. This is the same as factoring out the value of a from all other terms.5984i Step by step Algebra. Add 9 9 to both sides of the equation. Online math solver with free step by step solutions to algebra, calculus, and other … An example of a polynomial of a single indeterminate x is x² − 4x + 7. Step 1: Enter the expression you want to evaluate. Solve. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. x2 − 8x − 5 = 0 x 2 - 8 x - 5 = 0.51 + x 8 + 2 x 51 + x8 + 2x . If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Add 16 16 to get the perfect square trinomial. 8±√(−8)2 −4 ⋅(1⋅−20) 2 Solve Quadratic Equation by Completing The Square.129 Step by step solution : Step 1 :Equation at the Algebra. Steps Using the Quadratic Formula. Solve by Factoring x^2+8x-9=0. Related Symbolab blog posts. (x+3)(x+ 5) ( x + 3) ( x + 5) x2+8x+15=0 Two solutions were found : x = -3 x = -5 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Add the term to each side of the equation. Quadratic equation The values of x that satisfy the equation are called solutions of the equation, and roots or zeros of the expression on its left-hand side. x2 − 8x = −6 x 2 - 8 x = - 6. Calculator Use. x2 − 8x + 13 = 0 x 2 - 8 x + 13 = 0. Calcula x: 7x-10+2x=5+6x 3. x2 − 8x + 12 = 0 x 2 - 8 x + 12 = 0. Arithmetic. Solve by Factoring x^2-8x+15=0. x2 − 8x = 0 x 2 - 8 x = 0. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Differentiation. Algebra. 2x2+8x-12=0 Two solutions were found : x = (-4-√40)/2=-2-√ 10 = -5.1 Factoring x2-8x+17 The first term is, x2 its coefficient is 1 . Steps Using Factoring. High School Math Solutions - Quadratic Equations Calculator, Part 1. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Example: 2x-1=y,2y+3=x. Now the clever bit: Take the coefficient of x , which is 8 , divide by two, giving 4 , and finally square it giving 16.2 Solving x2-8x+41 = 0 by Completing The Square .345 x = (-8+√88)/4=-2+1/2√ 22 = 0. x2 − 8x − 8 = 0 x 2 - 8 x - 8 = 0. Explore similar answers. x2 + 8x = −12 x 2 + 8 x = - 12. -3x2-8x+16 Final result : (4 - 3x) • (x + 4) Step by step solution : Step 1 :Equation at the end of step 1 : ( (0 - 3x2) - 8x) + 16 Step 2 : Step 3 :Pulling Algebra Calculator - get free step-by-step solutions for your algebra math problems Solve Using the Quadratic Formula x^2-8x+15=0. Add 16 to both sides of the equation : On the right hand side we have : y=x^2+1., < > ≤: ≥ ^ √: ⬅: : F _ ÷ | (* / ⌫ A: ↻: x: y = +-G Step 1: Enter the Equation you want to solve into the editor. The equation calculator allows you to take a simple or complex equation and solve by best method possible. 5x2+8x-36=0 Two solutions were found : x = -18/5 = -3. Find the Perfect Square Trinomial x^2+8x+ ? x2 + 8x+ x 2 + 8 x + ? To find the c c value c = (b 2)2 c = ( b 2) 2, divide the coefficient of x x by 2 2 and square the result. Factor x2 + 8x+15 x 2 + 8 x + 15 using the AC method.2. A quadratic equation is a second degree polynomial having the general form ax^2 + bx + c = 0, where a, b, and c Read More. 8±√(−8)2 −4 ⋅(1⋅−9) 2⋅1 8 Popular Problems Algebra Solve by Factoring x^2-8x+15=0 x2 − 8x + 15 = 0 x 2 - 8 x + 15 = 0 Factor x2 − 8x+15 x 2 - 8 x + 15 using the AC method. Subtract 12 12 from both sides of the equation. x2 + 8x − 20 = 0 x 2 + 8 x - 20 = 0. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a.257 Step by step solution : Step 1 :Trying to Solve Using the Quadratic Formula x^2+8x-3=0.500 Step by step solution : Step 1 :Equation at the end of step 1 : (22x2 + 8x) - 5 = 0 Step 2 :Trying to factor by -9x2+8x-5=0 Two solutions were found : x = (-8-√-116)/-18= (4+i√ 29 )/9= 0. Add 16 to both sides of the equation : On the right hand side we have : x ^ 2 -8x -16 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. Solve by Completing the Square x^2+8x-10=0. Add 16 to both sides of the equation : On the right hand side we have : x ^ 2 -8x -8 = 0 Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. x^{2}-8x+15-15=-15 . x2 + 8x + 16 = 0 x 2 + 8 x + 16 = 0. (b 2)2 = (−4)2 ( b 2) 2 = ( - 4) 2. Solve by Completing the Square x^2-8x-8=0. View solution steps. Equation Solver. Add 5 5 to both sides of the equation. Steps Using Factoring. x 2 + 8x - 200 = 0 has two solutions: x = -4 + √ 216 or x = -4 - √ 216 .