(y-11)(y+11)=

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


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

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

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

Multiply (-11 + y) * (11 + y)
(-11(11 + y) + y(11 + y)) = 0
((11 * -11 + y * -11) + y(11 + y)) = 0
((-121 + -11y) + y(11 + y)) = 0
(-121 + -11y + (11 * y + y * y)) = 0
(-121 + -11y + (11y + y2)) = 0

Combine like terms: -11y + 11y = 0
(-121 + 0 + y2) = 0
(-121 + y2) = 0

Solving
-121 + y2 = 0

Solving for variable 'y'.

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

Add '121' to each side of the equation.
-121 + 121 + y2 = 0 + 121

Combine like terms: -121 + 121 = 0
0 + y2 = 0 + 121
y2 = 0 + 121

Combine like terms: 0 + 121 = 121
y2 = 121

Simplifying
y2 = 121

Take the square root of each side:
y = {-11, 11}

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