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

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



(F)=-5F^2-3

We move all terms to the left:

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

We get rid of parentheses

5F^2+F+3=0

a = 5; b = 1; c = +3;
Δ = b2-4ac
Δ = 12-4·5·3
Δ = -59
Delta is less than zero, so there is no solution for the equation

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