v=x(15-2x)(9-2x)

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Solution for v=x(15-2x)(9-2x) equation: 


Simplifying
v = x(15 + -2x)(9 + -2x)

Multiply (15 + -2x) * (9 + -2x)
v = x(15(9 + -2x) + -2x * (9 + -2x))
v = x((9 * 15 + -2x * 15) + -2x * (9 + -2x))
v = x((135 + -30x) + -2x * (9 + -2x))
v = x(135 + -30x + (9 * -2x + -2x * -2x))
v = x(135 + -30x + (-18x + 4x2))

Combine like terms: -30x + -18x = -48x
v = x(135 + -48x + 4x2)
v = (135 * x + -48x * x + 4x2 * x)
v = (135x + -48x2 + 4x3)

Solving
v = 135x + -48x2 + 4x3

Solving for variable 'v'.

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

Simplifying
v = 135x + -48x2 + 4x3

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