F(x)=4x^2+x

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Solution for F(x)=4x^2+x equation: 



(F)=4F^2+F

We move all terms to the left:

(F)-(4F^2+F)=0

We get rid of parentheses

-4F^2+F-F=0

We add all the numbers together, and all the variables

-4F^2=0

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

                              Stosujemy wzór:
$F=\frac{-b}{2a}=\frac{0}{-8}=0$

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