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3x^2-3x-2=0;
D=9+24=33.
x1=(3-sqrt(33))/6=1/2-sqrt(11/12)
x2=(3+sqrt(33))/6=1/2+sqrt(11/12)
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3x^2-3x-2=0;
D=9+24=33.
x1=(3-sqrt(33))/6=1/2-sqrt(11/12)
x2=(3+sqrt(33))/6=1/2+sqrt(11/12)