F(a)=3a^2+8a+5

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Solution for F(a)=3a^2+8a+5 equation: 



(F)=3F^2+8F+5

We move all terms to the left:

(F)-(3F^2+8F+5)=0

We get rid of parentheses

-3F^2+F-8F-5=0

We add all the numbers together, and all the variables

-3F^2-7F-5=0

a = -3; b = -7; c = -5;
Δ = b2-4ac
Δ = -72-4·(-3)·(-5)
Δ = -11
Delta is less than zero, so there is no solution for the equation

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