V=X(42-2x)(45-2x)

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Solution for V=X(42-2x)(45-2x) equation: 



=V(42-2V)(45-2V)

We move all terms to the left:

-(V(42-2V)(45-2V))=0

We add all the numbers together, and all the variables

-(V(-2V+42)(-2V+45))=0

We multiply parentheses ..

-(V(+4V^2-90V-84V+1890))=0



We calculate terms in parentheses: -(V(+4V^2-90V-84V+1890)), so:

V(+4V^2-90V-84V+1890)

We multiply parentheses

4V^3-90V^2-84V^2+1890V

We do not support eVpression: V^3

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