V=(42-2x)(42-2x)(x)

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Solution for V=(42-2x)(42-2x)(x) equation: 


Simplifying
V = (42 + -2x)(42 + -2x)(x)

Reorder the terms for easier multiplication:
V = x(42 + -2x)(42 + -2x)

Multiply (42 + -2x) * (42 + -2x)
V = x(42(42 + -2x) + -2x * (42 + -2x))
V = x((42 * 42 + -2x * 42) + -2x * (42 + -2x))
V = x((1764 + -84x) + -2x * (42 + -2x))
V = x(1764 + -84x + (42 * -2x + -2x * -2x))
V = x(1764 + -84x + (-84x + 4x2))

Combine like terms: -84x + -84x = -168x
V = x(1764 + -168x + 4x2)
V = (1764 * x + -168x * x + 4x2 * x)
V = (1764x + -168x2 + 4x3)

Solving
V = 1764x + -168x2 + 4x3

Solving for variable 'V'.

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

Simplifying
V = 1764x + -168x2 + 4x3

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