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=(G+7)(G-7
We move all terms to the left:
-((G+7)(G-7)=0
We use the square of the difference formula
G^2+49=0
a = 1; b = 0; c = +49;
Δ = b2-4ac
Δ = 02-4·1·49
Δ = -196
Delta is less than zero, so there is no solution for the equation
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