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-2m^2+m=1
We move all terms to the left:
-2m^2+m-(1)=0
a = -2; b = 1; c = -1;
Δ = b2-4ac
Δ = 12-4·(-2)·(-1)
Δ = -7
Delta is less than zero, so there is no solution for the equation
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