F(-4)=3x^2-x+2

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Solution for F(-4)=3x^2-x+2 equation: 



(-4)=3F^2-F+2

We move all terms to the left:

(-4)-(3F^2-F+2)=0

We add all the numbers together, and all the variables

-(3F^2-F+2)-4=0

We get rid of parentheses

-3F^2+F-2-4=0

We add all the numbers together, and all the variables

-3F^2+F-6=0

a = -3; b = 1; c = -6;
Δ = b2-4ac
Δ = 12-4·(-3)·(-6)
Δ = -71
Delta is less than zero, so there is no solution for the equation

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