G(t-2)=7t^2-8t+4

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Solution for G(t-2)=7t^2-8t+4 equation: 



(G-2)=7G^2-8G+4

We move all terms to the left:

(G-2)-(7G^2-8G+4)=0

We get rid of parentheses

-7G^2+G+8G-2-4=0

We add all the numbers together, and all the variables

-7G^2+9G-6=0

a = -7; b = 9; c = -6;
Δ = b2-4ac
Δ = 92-4·(-7)·(-6)
Δ = -87
Delta is less than zero, so there is no solution for the equation

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