F(x)=26-2x+x^2

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Solution for F(x)=26-2x+x^2 equation: 



(F)=26-2F+F^2

We move all terms to the left:

(F)-(26-2F+F^2)=0

We get rid of parentheses

-F^2+2F+F-26=0

We add all the numbers together, and all the variables

-1F^2+3F-26=0

a = -1; b = 3; c = -26;
Δ = b2-4ac
Δ = 32-4·(-1)·(-26)
Δ = -95
Delta is less than zero, so there is no solution for the equation

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