x2(x-9)(2x+1)=0

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Solution for x2(x-9)(2x+1)=0 equation: 



x2(x-9)(2x+1)=0

We multiply parentheses ..

x2(+2x^2+x-18x-9)=0

We multiply parentheses

2x^4+x^3-18x^3-9x^2=0

We do not support expression: x^4

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