y=(x+2)(x-2)-6x

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Solution for y=(x+2)(x-2)-6x equation: 


Simplifying
y = (x + 2)(x + -2) + -6x

Reorder the terms:
y = (2 + x)(x + -2) + -6x

Reorder the terms:
y = (2 + x)(-2 + x) + -6x

Multiply (2 + x) * (-2 + x)
y = (2(-2 + x) + x(-2 + x)) + -6x
y = ((-2 * 2 + x * 2) + x(-2 + x)) + -6x
y = ((-4 + 2x) + x(-2 + x)) + -6x
y = (-4 + 2x + (-2 * x + x * x)) + -6x
y = (-4 + 2x + (-2x + x2)) + -6x

Combine like terms: 2x + -2x = 0
y = (-4 + 0 + x2) + -6x
y = (-4 + x2) + -6x

Reorder the terms:
y = -4 + -6x + x2

Solving
y = -4 + -6x + x2

Solving for variable 'y'.

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

Simplifying
y = -4 + -6x + x2

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