Y=-(x+2)(x-10)

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Solution for Y=-(x+2)(x-10) equation: 


Simplifying
Y = -1(x + 2)(x + -10)

Reorder the terms:
Y = -1(2 + x)(x + -10)

Reorder the terms:
Y = -1(2 + x)(-10 + x)

Multiply (2 + x) * (-10 + x)
Y = -1(2(-10 + x) + x(-10 + x))
Y = -1((-10 * 2 + x * 2) + x(-10 + x))
Y = -1((-20 + 2x) + x(-10 + x))
Y = -1(-20 + 2x + (-10 * x + x * x))
Y = -1(-20 + 2x + (-10x + x2))

Combine like terms: 2x + -10x = -8x
Y = -1(-20 + -8x + x2)
Y = (-20 * -1 + -8x * -1 + x2 * -1)
Y = (20 + 8x + -1x2)

Solving
Y = 20 + 8x + -1x2

Solving for variable 'Y'.

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

Simplifying
Y = 20 + 8x + -1x2

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