F(x)=2/7x^2+3x-1

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Solution for F(x)=2/7x^2+3x-1 equation: 



(F)=2/7F^2+3F-1

We move all terms to the left:

(F)-(2/7F^2+3F-1)=0



Domain of the equation: 7F^2+3F-1)!=0

F∈R



We get rid of parentheses

F-2/7F^2-3F+1=0

We multiply all the terms by the denominator


F*7F^2-3F*7F^2+1*7F^2-2=0

Wy multiply elements

7F^3-21F^3+7F^2-2=0

We do not support eFpression: F^3

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