4/x=x^2+3x

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Solution for 4/x=x^2+3x equation: 



4/x=x^2+3x

We move all terms to the left:

4/x-(x^2+3x)=0



Domain of the equation: x!=0

x∈R



We get rid of parentheses

-x^2+4/x-3x=0

We multiply all the terms by the denominator


-x^2*x-3x*x+4=0

Wy multiply elements

-1x^3-3x^2+4=0

We do not support expression: x^3

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