x(3x-9)(x+7)=0

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Solution for x(3x-9)(x+7)=0 equation: 



x(3x-9)(x+7)=0

We multiply parentheses ..

x(+3x^2+21x-9x-63)=0

We multiply parentheses

3x^3+21x^2-9x^2-63x=0

We do not support expression: x^3

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