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x^2-x/0.375+80=0
We multiply all the terms by the denominator
x^2*0.375-x+80*0.375=0
We add all the numbers together, and all the variables
x^2*0.375-1x+30=0
Wy multiply elements
0.375x^2-1x+30=0
a = 0.375; b = -1; c = +30;
Δ = b2-4ac
Δ = -12-4·0.375·30
Δ = -44
Delta is less than zero, so there is no solution for the equation
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