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2x^2+13x=-23
We move all terms to the left:
2x^2+13x-(-23)=0
We add all the numbers together, and all the variables
2x^2+13x+23=0
a = 2; b = 13; c = +23;
Δ = b2-4ac
Δ = 132-4·2·23
Δ = -15
Delta is less than zero, so there is no solution for the equation
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