F(x)=2x^2-7/x^2

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Solution for F(x)=2x^2-7/x^2 equation: 



(F)=2F^2-7/F^2

We move all terms to the left:

(F)-(2F^2-7/F^2)=0



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

F!=0/1

F!=0

F∈R



We get rid of parentheses

-2F^2+F+7/F^2=0

We multiply all the terms by the denominator


-2F^2*F^2+F*F^2+7=0

Wy multiply elements

-2F^4+F^3+7=0

We do not support eFpression: F^4

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