F(x)=x^2+4x+9/x-4

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Solution for F(x)=x^2+4x+9/x-4 equation: 



(F)=F^2+4F+9/F-4

We move all terms to the left:

(F)-(F^2+4F+9/F-4)=0



Domain of the equation: F-4)!=0

F∈R



We get rid of parentheses

-F^2+F-4F-9/F+4=0

We multiply all the terms by the denominator


-F^2*F+F*F-4F*F+4*F-9=0

We add all the numbers together, and all the variables

-F^2*F+4F+F*F-4F*F-9=0

Wy multiply elements

-1F^3+F^2-4F^2+4F-9=0

We do not support eFpression: F^3

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