(y+11)(y-12)=

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Solution for (y+11)(y-12)= equation:


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

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

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

Multiply (11 + y) * (-12 + y)
(11(-12 + y) + y(-12 + y)) = 0
((-12 * 11 + y * 11) + y(-12 + y)) = 0
((-132 + 11y) + y(-12 + y)) = 0
(-132 + 11y + (-12 * y + y * y)) = 0
(-132 + 11y + (-12y + y2)) = 0

Combine like terms: 11y + -12y = -1y
(-132 + -1y + y2) = 0

Solving
-132 + -1y + y2 = 0

Solving for variable 'y'.

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

Subproblem 1

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

Subproblem 2

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

Solution

y = {-11, 12}

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