F(x)=-5x^2+x-3

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Solution for F(x)=-5x^2+x-3 equation: 



(F)=-5F^2+F-3

We move all terms to the left:

(F)-(-5F^2+F-3)=0

We get rid of parentheses

5F^2-F+F+3=0

We add all the numbers together, and all the variables

5F^2+3=0

a = 5; b = 0; c = +3;
Δ = b2-4ac
Δ = 02-4·5·3
Δ = -60
Delta is less than zero, so there is no solution for the equation

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