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3x-6x^2=9
We move all terms to the left:
3x-6x^2-(9)=0
a = -6; b = 3; c = -9;
Δ = b2-4ac
Δ = 32-4·(-6)·(-9)
Δ = -207
Delta is less than zero, so there is no solution for the equation
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