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2x^2+6=-18
We move all terms to the left:
2x^2+6-(-18)=0
We add all the numbers together, and all the variables
2x^2+24=0
a = 2; b = 0; c = +24;
Δ = b2-4ac
Δ = 02-4·2·24
Δ = -192
Delta is less than zero, so there is no solution for the equation
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