54=(12-2x)*(9-2x)*x

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Solution for 54=(12-2x)*(9-2x)*x equation: 



54=(12-2x)(9-2x)*x

We move all terms to the left:

54-((12-2x)(9-2x)*x)=0

We add all the numbers together, and all the variables

-((-2x+12)(-2x+9)*x)+54=0

We multiply parentheses ..

-((+4x^2-18x-24x+108)*x)+54=0



We calculate terms in parentheses: -((+4x^2-18x-24x+108)*x), so:

(+4x^2-18x-24x+108)*x

We multiply parentheses

4x^3-18x^2-24x^2+108x

We do not support expression: x^3

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