(x-8)(x+5)=14

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Solution for (x-8)(x+5)=14 equation:


Simplifying
(x + -8)(x + 5) = 14

Reorder the terms:
(-8 + x)(x + 5) = 14

Reorder the terms:
(-8 + x)(5 + x) = 14

Multiply (-8 + x) * (5 + x)
(-8(5 + x) + x(5 + x)) = 14
((5 * -8 + x * -8) + x(5 + x)) = 14
((-40 + -8x) + x(5 + x)) = 14
(-40 + -8x + (5 * x + x * x)) = 14
(-40 + -8x + (5x + x2)) = 14

Combine like terms: -8x + 5x = -3x
(-40 + -3x + x2) = 14

Solving
-40 + -3x + x2 = 14

Solving for variable 'x'.

Reorder the terms:
-40 + -14 + -3x + x2 = 14 + -14

Combine like terms: -40 + -14 = -54
-54 + -3x + x2 = 14 + -14

Combine like terms: 14 + -14 = 0
-54 + -3x + x2 = 0

Factor a trinomial.
(-6 + -1x)(9 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-6, 9}

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