F(5)=3x+9/2x^2

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Solution for F(5)=3x+9/2x^2 equation: 



(5)=3F+9/2F^2

We move all terms to the left:

(5)-(3F+9/2F^2)=0



Domain of the equation: 2F^2)!=0

F!=0/1

F!=0

F∈R



We get rid of parentheses

-3F-9/2F^2+5=0

We multiply all the terms by the denominator


-3F*2F^2+5*2F^2-9=0

Wy multiply elements

-6F^3+10F^2-9=0

We do not support eFpression: F^3

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