F(x)=x2+x

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Solution for F(x)=x2+x equation: 



(F)=F2+F

We move all terms to the left:

(F)-(F2+F)=0

We add all the numbers together, and all the variables

-(+F^2+F)+F=0

We get rid of parentheses

-F^2-F+F=0

We add all the numbers together, and all the variables

-1F^2=0

a = -1; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-1)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$F=\frac{-b}{2a}=\frac{0}{-2}=0$

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