9=1/2x^2+x+13

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Solution for 9=1/2x^2+x+13 equation: 



9=1/2x^2+x+13

We move all terms to the left:

9-(1/2x^2+x+13)=0



Domain of the equation: 2x^2+x+13)!=0

x∈R



We get rid of parentheses

-1/2x^2-x-13+9=0

We multiply all the terms by the denominator


-x*2x^2-13*2x^2+9*2x^2-1=0

Wy multiply elements

-2x^3-26x^2+18x^2-1=0

We do not support expression: x^3

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