F(-2)=4x^2-2x+8

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Solution for F(-2)=4x^2-2x+8 equation: 



(-2)=4F^2-2F+8

We move all terms to the left:

(-2)-(4F^2-2F+8)=0

We add all the numbers together, and all the variables

-(4F^2-2F+8)-2=0

We get rid of parentheses

-4F^2+2F-8-2=0

We add all the numbers together, and all the variables

-4F^2+2F-10=0

a = -4; b = 2; c = -10;
Δ = b2-4ac
Δ = 22-4·(-4)·(-10)
Δ = -156
Delta is less than zero, so there is no solution for the equation

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