F(x)=x^2+18

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Solution for F(x)=x^2+18 equation: 



(F)=F^2+18

We move all terms to the left:

(F)-(F^2+18)=0

We get rid of parentheses

-F^2+F-18=0

We add all the numbers together, and all the variables

-1F^2+F-18=0

a = -1; b = 1; c = -18;
Δ = b2-4ac
Δ = 12-4·(-1)·(-18)
Δ = -71
Delta is less than zero, so there is no solution for the equation

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