F(x)=3x-27/x(x-9)

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Solution for F(x)=3x-27/x(x-9) equation: 



(F)=3F-27/F(F-9)

We move all terms to the left:

(F)-(3F-27/F(F-9))=0



Domain of the equation: F(F-9))!=0

F∈R



We multiply all the terms by the denominator


F*F(F-9))-(3F-27=0

Wy multiply elements

F^2(F-27=0

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