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2x^2+4x=-26
We move all terms to the left:
2x^2+4x-(-26)=0
We add all the numbers together, and all the variables
2x^2+4x+26=0
a = 2; b = 4; c = +26;
Δ = b2-4ac
Δ = 42-4·2·26
Δ = -192
Delta is less than zero, so there is no solution for the equation
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