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0.375x^2-x=-1
We move all terms to the left:
0.375x^2-x-(-1)=0
We add all the numbers together, and all the variables
0.375x^2-1x+1=0
a = 0.375; b = -1; c = +1;
Δ = b2-4ac
Δ = -12-4·0.375·1
Δ = -0.5
Delta is less than zero, so there is no solution for the equation
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