G(-2)=3x^2+2x-1

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Solution for G(-2)=3x^2+2x-1 equation: 



(-2)=3G^2+2G-1

We move all terms to the left:

(-2)-(3G^2+2G-1)=0

We add all the numbers together, and all the variables

-(3G^2+2G-1)-2=0

We get rid of parentheses

-3G^2-2G+1-2=0

We add all the numbers together, and all the variables

-3G^2-2G-1=0

a = -3; b = -2; c = -1;
Δ = b2-4ac
Δ = -22-4·(-3)·(-1)
Δ = -8
Delta is less than zero, so there is no solution for the equation

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