F(-1)=4x^2-2x

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Solution for F(-1)=4x^2-2x equation: 



(-1)=4F^2-2F

We move all terms to the left:

(-1)-(4F^2-2F)=0

We add all the numbers together, and all the variables

-(4F^2-2F)-1=0

We get rid of parentheses

-4F^2+2F-1=0

a = -4; b = 2; c = -1;
Δ = b2-4ac
Δ = 22-4·(-4)·(-1)
Δ = -12
Delta is less than zero, so there is no solution for the equation

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