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-1g(2g-6)=18
We move all terms to the left:
-1g(2g-6)-(18)=0
We multiply parentheses
-2g^2+6g-18=0
a = -2; b = 6; c = -18;
Δ = b2-4ac
Δ = 62-4·(-2)·(-18)
Δ = -108
Delta is less than zero, so there is no solution for the equation
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