(x-2)(x+11)=0

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Solution for (x-2)(x+11)=0 equation:


Simplifying
(x + -2)(x + 11) = 0

Reorder the terms:
(-2 + x)(x + 11) = 0

Reorder the terms:
(-2 + x)(11 + x) = 0

Multiply (-2 + x) * (11 + x)
(-2(11 + x) + x(11 + x)) = 0
((11 * -2 + x * -2) + x(11 + x)) = 0
((-22 + -2x) + x(11 + x)) = 0
(-22 + -2x + (11 * x + x * x)) = 0
(-22 + -2x + (11x + x2)) = 0

Combine like terms: -2x + 11x = 9x
(-22 + 9x + x2) = 0

Solving
-22 + 9x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-11 + -1x)(2 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-11, 2}

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