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2x^2-1x=-6
We move all terms to the left:
2x^2-1x-(-6)=0
We add all the numbers together, and all the variables
2x^2-1x+6=0
a = 2; b = -1; c = +6;
Δ = b2-4ac
Δ = -12-4·2·6
Δ = -47
Delta is less than zero, so there is no solution for the equation
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