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x^2-x+0.679366=0
We add all the numbers together, and all the variables
x^2-1x+0.679366=0
a = 1; b = -1; c = +0.679366;
Δ = b2-4ac
Δ = -12-4·1·0.679366
Δ = -1.717464
Delta is less than zero, so there is no solution for the equation
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