F(x)=6x^2+5(x+3)

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Solution for F(x)=6x^2+5(x+3) equation: 



(F)=6F^2+5(F+3)

We move all terms to the left:

(F)-(6F^2+5(F+3))=0



We calculate terms in parentheses: -(6F^2+5(F+3)), so:

6F^2+5(F+3)

We multiply parentheses

6F^2+5F+15

Back to the equation:

-(6F^2+5F+15)



We get rid of parentheses

-6F^2+F-5F-15=0

We add all the numbers together, and all the variables

-6F^2-4F-15=0

a = -6; b = -4; c = -15;
Δ = b2-4ac
Δ = -42-4·(-6)·(-15)
Δ = -344
Delta is less than zero, so there is no solution for the equation

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