y=2(x-4)(x+2)

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Solution for y=2(x-4)(x+2) equation: 


Simplifying
y = 2(x + -4)(x + 2)

Reorder the terms:
y = 2(-4 + x)(x + 2)

Reorder the terms:
y = 2(-4 + x)(2 + x)

Multiply (-4 + x) * (2 + x)
y = 2(-4(2 + x) + x(2 + x))
y = 2((2 * -4 + x * -4) + x(2 + x))
y = 2((-8 + -4x) + x(2 + x))
y = 2(-8 + -4x + (2 * x + x * x))
y = 2(-8 + -4x + (2x + x2))

Combine like terms: -4x + 2x = -2x
y = 2(-8 + -2x + x2)
y = (-8 * 2 + -2x * 2 + x2 * 2)
y = (-16 + -4x + 2x2)

Solving
y = -16 + -4x + 2x2

Solving for variable 'y'.

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

Simplifying
y = -16 + -4x + 2x2

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