V=x(21-2x)(29.7-2x)

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Solution for V=x(21-2x)(29.7-2x) equation:



=V(21-2V)(29.7-2V)
We move all terms to the left:
-(V(21-2V)(29.7-2V))=0
We add all the numbers together, and all the variables
-(V(-2V+21)(-2V+29.7))=0
We multiply parentheses ..
-(V(+4V^2-59.4V-42V+623.7))=0
We calculate terms in parentheses: -(V(+4V^2-59.4V-42V+623.7)), so:
V(+4V^2-59.4V-42V+623.7)
We multiply parentheses
4V^3-59V^2-42V^2+623.7V
We do not support eVpression: V^3

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