y=5(x+4)(x-8)

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Solution for y=5(x+4)(x-8) equation: 


Simplifying
y = 5(x + 4)(x + -8)

Reorder the terms:
y = 5(4 + x)(x + -8)

Reorder the terms:
y = 5(4 + x)(-8 + x)

Multiply (4 + x) * (-8 + x)
y = 5(4(-8 + x) + x(-8 + x))
y = 5((-8 * 4 + x * 4) + x(-8 + x))
y = 5((-32 + 4x) + x(-8 + x))
y = 5(-32 + 4x + (-8 * x + x * x))
y = 5(-32 + 4x + (-8x + x2))

Combine like terms: 4x + -8x = -4x
y = 5(-32 + -4x + x2)
y = (-32 * 5 + -4x * 5 + x2 * 5)
y = (-160 + -20x + 5x2)

Solving
y = -160 + -20x + 5x2

Solving for variable 'y'.

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

Simplifying
y = -160 + -20x + 5x2

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