y=(x-8)(x+8)

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


Simplifying
y = (x + -8)(x + 8)

Reorder the terms:
y = (-8 + x)(x + 8)

Reorder the terms:
y = (-8 + x)(8 + x)

Multiply (-8 + x) * (8 + x)
y = (-8(8 + x) + x(8 + x))
y = ((8 * -8 + x * -8) + x(8 + x))
y = ((-64 + -8x) + x(8 + x))
y = (-64 + -8x + (8 * x + x * x))
y = (-64 + -8x + (8x + x2))

Combine like terms: -8x + 8x = 0
y = (-64 + 0 + x2)
y = (-64 + x2)

Solving
y = -64 + x2

Solving for variable 'y'.

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

Simplifying
y = -64 + x2

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