(x+8)*(x-7)=-14

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Solution for (x+8)*(x-7)=-14 equation:


Simplifying
(x + 8)(x + -7) = -14

Reorder the terms:
(8 + x)(x + -7) = -14

Reorder the terms:
(8 + x)(-7 + x) = -14

Multiply (8 + x) * (-7 + x)
(8(-7 + x) + x(-7 + x)) = -14
((-7 * 8 + x * 8) + x(-7 + x)) = -14
((-56 + 8x) + x(-7 + x)) = -14
(-56 + 8x + (-7 * x + x * x)) = -14
(-56 + 8x + (-7x + x2)) = -14

Combine like terms: 8x + -7x = 1x
(-56 + 1x + x2) = -14

Solving
-56 + 1x + x2 = -14

Solving for variable 'x'.

Reorder the terms:
-56 + 14 + 1x + x2 = -14 + 14

Combine like terms: -56 + 14 = -42
-42 + 1x + x2 = -14 + 14

Combine like terms: -14 + 14 = 0
-42 + 1x + x2 = 0

Factor a trinomial.
(-7 + -1x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {-7, 6}

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