G(-x)=3x^2-4x+9

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Solution for G(-x)=3x^2-4x+9 equation: 



(-G)=3G^2-4G+9

We move all terms to the left:

(-G)-(3G^2-4G+9)=0

We add all the numbers together, and all the variables

(-1G)-(3G^2-4G+9)=0

We get rid of parentheses

-3G^2-1G+4G-9=0

We add all the numbers together, and all the variables

-3G^2+3G-9=0

a = -3; b = 3; c = -9;
Δ = b2-4ac
Δ = 32-4·(-3)·(-9)
Δ = -99
Delta is less than zero, so there is no solution for the equation

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