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

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


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

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

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

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

Combine like terms: 10x + 2x = 12x
y = -1(20 + 12x + x2)
y = (20 * -1 + 12x * -1 + x2 * -1)
y = (-20 + -12x + -1x2)

Solving
y = -20 + -12x + -1x2

Solving for variable 'y'.

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

Simplifying
y = -20 + -12x + -1x2

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