V(x)=(30-2x)(15-x)x

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Solution for V(x)=(30-2x)(15-x)x equation: 



(V)=(30-2V)(15-V)V

We move all terms to the left:

(V)-((30-2V)(15-V)V)=0

We add all the numbers together, and all the variables

V-((-2V+30)(-1V+15)V)=0

We multiply parentheses ..

-((+2V^2-30V-30V+450)V)+V=0



We calculate terms in parentheses: -((+2V^2-30V-30V+450)V), so:

(+2V^2-30V-30V+450)V

We multiply parentheses

2V^3-30V^2-30V^2+450V

We do not support eVpression: V^3

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