V=x*(15-2x)*(8-2x)

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Solution for V=x*(15-2x)*(8-2x) equation: 


Simplifying
V = x(15 + -2x)(8 + -2x)

Multiply (15 + -2x) * (8 + -2x)
V = x(15(8 + -2x) + -2x * (8 + -2x))
V = x((8 * 15 + -2x * 15) + -2x * (8 + -2x))
V = x((120 + -30x) + -2x * (8 + -2x))
V = x(120 + -30x + (8 * -2x + -2x * -2x))
V = x(120 + -30x + (-16x + 4x2))

Combine like terms: -30x + -16x = -46x
V = x(120 + -46x + 4x2)
V = (120 * x + -46x * x + 4x2 * x)
V = (120x + -46x2 + 4x3)

Solving
V = 120x + -46x2 + 4x3

Solving for variable 'V'.

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

Simplifying
V = 120x + -46x2 + 4x3

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