y=-x(x-4)

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Solution for y=-x(x-4) equation: 


Simplifying
y = -1x(x + -4)

Reorder the terms:
y = -1x(-4 + x)
y = (-4 * -1x + x * -1x)
y = (4x + -1x2)

Solving
y = 4x + -1x2

Solving for variable 'y'.

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

Simplifying
y = 4x + -1x2

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