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-0.25x^2-8=x
We move all terms to the left:
-0.25x^2-8-(x)=0
We add all the numbers together, and all the variables
-0.25x^2-1x-8=0
a = -0.25; b = -1; c = -8;
Δ = b2-4ac
Δ = -12-4·(-0.25)·(-8)
Δ = -7
Delta is less than zero, so there is no solution for the equation
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