F(6)=-6x^2-5x-6

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Solution for F(6)=-6x^2-5x-6 equation: 



(6)=-6F^2-5F-6

We move all terms to the left:

(6)-(-6F^2-5F-6)=0

We get rid of parentheses

6F^2+5F+6+6=0

We add all the numbers together, and all the variables

6F^2+5F+12=0

a = 6; b = 5; c = +12;
Δ = b2-4ac
Δ = 52-4·6·12
Δ = -263
Delta is less than zero, so there is no solution for the equation

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