(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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