F(x)=-3x^2-18+11

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Solution for F(x)=-3x^2-18+11 equation: 



(F)=-3F^2-18+11

We move all terms to the left:

(F)-(-3F^2-18+11)=0

We get rid of parentheses

3F^2+F+18-11=0

We add all the numbers together, and all the variables

3F^2+F+7=0

a = 3; b = 1; c = +7;
Δ = b2-4ac
Δ = 12-4·3·7
Δ = -83
Delta is less than zero, so there is no solution for the equation

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