F(x)=5x^2+8x+9

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Solution for F(x)=5x^2+8x+9 equation: 



(F)=5F^2+8F+9

We move all terms to the left:

(F)-(5F^2+8F+9)=0

We get rid of parentheses

-5F^2+F-8F-9=0

We add all the numbers together, and all the variables

-5F^2-7F-9=0

a = -5; b = -7; c = -9;
Δ = b2-4ac
Δ = -72-4·(-5)·(-9)
Δ = -131
Delta is less than zero, so there is no solution for the equation

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