F(x)=16000+50x+0.2x^2

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Solution for F(x)=16000+50x+0.2x^2 equation: 



(F)=16000+50F+0.2F^2

We move all terms to the left:

(F)-(16000+50F+0.2F^2)=0

We get rid of parentheses

-0.2F^2-50F+F-16000=0

We add all the numbers together, and all the variables

-0.2F^2-49F-16000=0

a = -0.2; b = -49; c = -16000;
Δ = b2-4ac
Δ = -492-4·(-0.2)·(-16000)
Δ = -10399
Delta is less than zero, so there is no solution for the equation

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