V=x(10-2x)(10-2x)

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Solution for V=x(10-2x)(10-2x) equation: 


Simplifying
V = x(10 + -2x)(10 + -2x)

Multiply (10 + -2x) * (10 + -2x)
V = x(10(10 + -2x) + -2x * (10 + -2x))
V = x((10 * 10 + -2x * 10) + -2x * (10 + -2x))
V = x((100 + -20x) + -2x * (10 + -2x))
V = x(100 + -20x + (10 * -2x + -2x * -2x))
V = x(100 + -20x + (-20x + 4x2))

Combine like terms: -20x + -20x = -40x
V = x(100 + -40x + 4x2)
V = (100 * x + -40x * x + 4x2 * x)
V = (100x + -40x2 + 4x3)

Solving
V = 100x + -40x2 + 4x3

Solving for variable 'V'.

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

Simplifying
V = 100x + -40x2 + 4x3

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