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2a^2-a+13=2
We move all terms to the left:
2a^2-a+13-(2)=0
We add all the numbers together, and all the variables
2a^2-1a+11=0
a = 2; b = -1; c = +11;
Δ = b2-4ac
Δ = -12-4·2·11
Δ = -87
Delta is less than zero, so there is no solution for the equation
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