F(2)=x^2-x+6

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



(2)=F^2-F+6

We move all terms to the left:

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-1F^2+F-4=0

a = -1; b = 1; c = -4;
Δ = b2-4ac
Δ = 12-4·(-1)·(-4)
Δ = -15
Delta is less than zero, so there is no solution for the equation

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