-4x(5x-3)(x+7)=0

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Solution for -4x(5x-3)(x+7)=0 equation: 



-4x(5x-3)(x+7)=0

We multiply parentheses ..

-4x(+5x^2+35x-3x-21)=0

We multiply parentheses

-20x^3-140x^2+12x^2+84x=0

We do not support expression: x^3

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