V=(40-2x)(30-2x)(x)

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Solution for V=(40-2x)(30-2x)(x) equation: 



=(40-2V)(30-2V)(V)

We move all terms to the left:

-((40-2V)(30-2V)(V))=0

We add all the numbers together, and all the variables

-((-2V+40)(-2V+30)V)=0

We multiply parentheses ..

-((+4V^2-60V-80V+1200)V)=0



We calculate terms in parentheses: -((+4V^2-60V-80V+1200)V), so:

(+4V^2-60V-80V+1200)V

We multiply parentheses

4V^3-60V^2-80V^2+1200V

We do not support eVpression: V^3

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