Y=-(x+4)(x-8)

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


Simplifying
Y = -1(x + 4)(x + -8)

Reorder the terms:
Y = -1(4 + x)(x + -8)

Reorder the terms:
Y = -1(4 + x)(-8 + x)

Multiply (4 + x) * (-8 + x)
Y = -1(4(-8 + x) + x(-8 + x))
Y = -1((-8 * 4 + x * 4) + x(-8 + x))
Y = -1((-32 + 4x) + x(-8 + x))
Y = -1(-32 + 4x + (-8 * x + x * x))
Y = -1(-32 + 4x + (-8x + x2))

Combine like terms: 4x + -8x = -4x
Y = -1(-32 + -4x + x2)
Y = (-32 * -1 + -4x * -1 + x2 * -1)
Y = (32 + 4x + -1x2)

Solving
Y = 32 + 4x + -1x2

Solving for variable 'Y'.

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

Simplifying
Y = 32 + 4x + -1x2

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