(3x)(3.5x)(3x+7)=75

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Solution for (3x)(3.5x)(3x+7)=75 equation: 



(3x)(3.5x)(3x+7)=75

We move all terms to the left:

(3x)(3.5x)(3x+7)-(75)=0

We add all the numbers together, and all the variables

3x(+3.5x)(3x+7)-75=0

We multiply parentheses ..

3x(+9x^2+21x)-75=0

We multiply parentheses

27x^3+63x^2-75=0

We do not support expression: x^3

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