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

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



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

We move all terms to the left:

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

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

a = -5; b = 2; c = -6;
Δ = b2-4ac
Δ = 22-4·(-5)·(-6)
Δ = -116
Delta is less than zero, so there is no solution for the equation

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