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0.5x^2=-2
We move all terms to the left:
0.5x^2-(-2)=0
We add all the numbers together, and all the variables
0.5x^2+2=0
a = 0.5; b = 0; c = +2;
Δ = b2-4ac
Δ = 02-4·0.5·2
Δ = -4
Delta is less than zero, so there is no solution for the equation
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