x=(y-2)(y+2)

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Solution for x=(y-2)(y+2) equation: 


Simplifying
x = (y + -2)(y + 2)

Reorder the terms:
x = (-2 + y)(y + 2)

Reorder the terms:
x = (-2 + y)(2 + y)

Multiply (-2 + y) * (2 + y)
x = (-2(2 + y) + y(2 + y))
x = ((2 * -2 + y * -2) + y(2 + y))
x = ((-4 + -2y) + y(2 + y))
x = (-4 + -2y + (2 * y + y * y))
x = (-4 + -2y + (2y + y2))

Combine like terms: -2y + 2y = 0
x = (-4 + 0 + y2)
x = (-4 + y2)

Solving
x = -4 + y2

Solving for variable 'x'.

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

Simplifying
x = -4 + y2

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