F(a)=-2a^2-8a-12

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Solution for F(a)=-2a^2-8a-12 equation: 



(F)=-2F^2-8F-12

We move all terms to the left:

(F)-(-2F^2-8F-12)=0

We get rid of parentheses

2F^2+8F+F+12=0

We add all the numbers together, and all the variables

2F^2+9F+12=0

a = 2; b = 9; c = +12;
Δ = b2-4ac
Δ = 92-4·2·12
Δ = -15
Delta is less than zero, so there is no solution for the equation

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