140=(14-2x)(12-2x)(x)

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Solution for 140=(14-2x)(12-2x)(x) equation: 



140=(14-2x)(12-2x)(x)

We move all terms to the left:

140-((14-2x)(12-2x)(x))=0

We add all the numbers together, and all the variables

-((-2x+14)(-2x+12)x)+140=0

We multiply parentheses ..

-((+4x^2-24x-28x+168)x)+140=0



We calculate terms in parentheses: -((+4x^2-24x-28x+168)x), so:

(+4x^2-24x-28x+168)x

We multiply parentheses

4x^3-24x^2-28x^2+168x

We do not support expression: x^3

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