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(G)=4G^2-6G+7
We move all terms to the left:
(G)-(4G^2-6G+7)=0
We get rid of parentheses
-4G^2+G+6G-7=0
We add all the numbers together, and all the variables
-4G^2+7G-7=0
a = -4; b = 7; c = -7;
Δ = b2-4ac
Δ = 72-4·(-4)·(-7)
Δ = -63
Delta is less than zero, so there is no solution for the equation
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