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-x^2+2=8
We move all terms to the left:
-x^2+2-(8)=0
We add all the numbers together, and all the variables
-1x^2-6=0
a = -1; b = 0; c = -6;
Δ = b2-4ac
Δ = 02-4·(-1)·(-6)
Δ = -24
Delta is less than zero, so there is no solution for the equation
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