y=2(x-4)(x+8)

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Solution for y=2(x-4)(x+8) equation: 


Simplifying
y = 2(x + -4)(x + 8)

Reorder the terms:
y = 2(-4 + x)(x + 8)

Reorder the terms:
y = 2(-4 + x)(8 + x)

Multiply (-4 + x) * (8 + x)
y = 2(-4(8 + x) + x(8 + x))
y = 2((8 * -4 + x * -4) + x(8 + x))
y = 2((-32 + -4x) + x(8 + x))
y = 2(-32 + -4x + (8 * x + x * x))
y = 2(-32 + -4x + (8x + x2))

Combine like terms: -4x + 8x = 4x
y = 2(-32 + 4x + x2)
y = (-32 * 2 + 4x * 2 + x2 * 2)
y = (-64 + 8x + 2x2)

Solving
y = -64 + 8x + 2x2

Solving for variable 'y'.

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

Simplifying
y = -64 + 8x + 2x2

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