g(2)=-4*2-1

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Solution for g(2)=-4*2-1 equation: 



g(2)=-4*2-1

We move all terms to the left:

g(2)-(-4*2-1)=0

We add all the numbers together, and all the variables

g2-(-9)=0

We add all the numbers together, and all the variables

g^2+9=0

a = 1; b = 0; c = +9;
Δ = b2-4ac
Δ = 02-4·1·9
Δ = -36
Delta is less than zero, so there is no solution for the equation

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