(x+10)(x-12)=0

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Solution for (x+10)(x-12)=0 equation:


Simplifying
(x + 10)(x + -12) = 0

Reorder the terms:
(10 + x)(x + -12) = 0

Reorder the terms:
(10 + x)(-12 + x) = 0

Multiply (10 + x) * (-12 + x)
(10(-12 + x) + x(-12 + x)) = 0
((-12 * 10 + x * 10) + x(-12 + x)) = 0
((-120 + 10x) + x(-12 + x)) = 0
(-120 + 10x + (-12 * x + x * x)) = 0
(-120 + 10x + (-12x + x2)) = 0

Combine like terms: 10x + -12x = -2x
(-120 + -2x + x2) = 0

Solving
-120 + -2x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-10 + -1x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {-10, 12}

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