v=x(18-2x)(9-2x)

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Solution for v=x(18-2x)(9-2x) equation: 


Simplifying
v = x(18 + -2x)(9 + -2x)

Multiply (18 + -2x) * (9 + -2x)
v = x(18(9 + -2x) + -2x * (9 + -2x))
v = x((9 * 18 + -2x * 18) + -2x * (9 + -2x))
v = x((162 + -36x) + -2x * (9 + -2x))
v = x(162 + -36x + (9 * -2x + -2x * -2x))
v = x(162 + -36x + (-18x + 4x2))

Combine like terms: -36x + -18x = -54x
v = x(162 + -54x + 4x2)
v = (162 * x + -54x * x + 4x2 * x)
v = (162x + -54x2 + 4x3)

Solving
v = 162x + -54x2 + 4x3

Solving for variable 'v'.

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

Simplifying
v = 162x + -54x2 + 4x3

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