F(x)=-26/x+7

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Solution for F(x)=-26/x+7 equation: 



(F)=-26/F+7

We move all terms to the left:

(F)-(-26/F+7)=0



Domain of the equation: F+7)!=0

F∈R



We get rid of parentheses

F+26/F-7=0

We multiply all the terms by the denominator


F*F-7*F+26=0

We add all the numbers together, and all the variables

-7F+F*F+26=0

Wy multiply elements

F^2-7F+26=0

a = 1; b = -7; c = +26;
Δ = b2-4ac
Δ = -72-4·1·26
Δ = -55
Delta is less than zero, so there is no solution for the equation

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