y=-2x(x-9)

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Solution for y=-2x(x-9) equation: 


Simplifying
y = -2x(x + -9)

Reorder the terms:
y = -2x(-9 + x)
y = (-9 * -2x + x * -2x)
y = (18x + -2x2)

Solving
y = 18x + -2x2

Solving for variable 'y'.

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

Simplifying
y = 18x + -2x2

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