(x-6)(x+7)=14

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Solution for (x-6)(x+7)=14 equation:


Simplifying
(x + -6)(x + 7) = 14

Reorder the terms:
(-6 + x)(x + 7) = 14

Reorder the terms:
(-6 + x)(7 + x) = 14

Multiply (-6 + x) * (7 + x)
(-6(7 + x) + x(7 + x)) = 14
((7 * -6 + x * -6) + x(7 + x)) = 14
((-42 + -6x) + x(7 + x)) = 14
(-42 + -6x + (7 * x + x * x)) = 14
(-42 + -6x + (7x + x2)) = 14

Combine like terms: -6x + 7x = 1x
(-42 + 1x + x2) = 14

Solving
-42 + 1x + x2 = 14

Solving for variable 'x'.

Reorder the terms:
-42 + -14 + 1x + x2 = 14 + -14

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

Combine like terms: 14 + -14 = 0
-56 + 1x + x2 = 0

Factor a trinomial.
(-8 + -1x)(7 + -1x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

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

Solution

x = {-8, 7}

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