v=(5-2x)(4-x)(x)

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Solution for v=(5-2x)(4-x)(x) equation: 


Simplifying
v = (5 + -2x)(4 + -1x)(x)

Reorder the terms for easier multiplication:
v = x(5 + -2x)(4 + -1x)

Multiply (5 + -2x) * (4 + -1x)
v = x(5(4 + -1x) + -2x * (4 + -1x))
v = x((4 * 5 + -1x * 5) + -2x * (4 + -1x))
v = x((20 + -5x) + -2x * (4 + -1x))
v = x(20 + -5x + (4 * -2x + -1x * -2x))
v = x(20 + -5x + (-8x + 2x2))

Combine like terms: -5x + -8x = -13x
v = x(20 + -13x + 2x2)
v = (20 * x + -13x * x + 2x2 * x)
v = (20x + -13x2 + 2x3)

Solving
v = 20x + -13x2 + 2x3

Solving for variable 'v'.

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

Simplifying
v = 20x + -13x2 + 2x3

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