(x+12)(x-11)=0

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Solution for (x+12)(x-11)=0 equation:


Simplifying
(x + 12)(x + -11) = 0

Reorder the terms:
(12 + x)(x + -11) = 0

Reorder the terms:
(12 + x)(-11 + x) = 0

Multiply (12 + x) * (-11 + x)
(12(-11 + x) + x(-11 + x)) = 0
((-11 * 12 + x * 12) + x(-11 + x)) = 0
((-132 + 12x) + x(-11 + x)) = 0
(-132 + 12x + (-11 * x + x * x)) = 0
(-132 + 12x + (-11x + x2)) = 0

Combine like terms: 12x + -11x = 1x
(-132 + 1x + x2) = 0

Solving
-132 + 1x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-12 + -1x)(11 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {-12, 11}

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