(y-8)(y+11)=

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Solution for (y-8)(y+11)= equation: 


Simplifying
(y + -8)(y + 11) = 0

Reorder the terms:
(-8 + y)(y + 11) = 0

Reorder the terms:
(-8 + y)(11 + y) = 0

Multiply (-8 + y) * (11 + y)
(-8(11 + y) + y(11 + y)) = 0
((11 * -8 + y * -8) + y(11 + y)) = 0
((-88 + -8y) + y(11 + y)) = 0
(-88 + -8y + (11 * y + y * y)) = 0
(-88 + -8y + (11y + y2)) = 0

Combine like terms: -8y + 11y = 3y
(-88 + 3y + y2) = 0

Solving
-88 + 3y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-11 + -1y)(8 + -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 '(8 + -1y)' equal to zero and attempt to solve:

Simplifying
8 + -1y = 0

Solving
8 + -1y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + -1y = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1y = 0 + -8
-1y = 0 + -8

Combine like terms: 0 + -8 = -8
-1y = -8

Divide each side by '-1'.
y = 8

Simplifying
y = 8
Solution
y = {-11, 8}

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