x^2 - 6x - 3=0. x1+x2=6 x1*x2=-3
7/x2 + 7/x1=7(x1+x2)/x1*x2=7*6/-3=-14
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x^2 - 6x - 3=0. x1+x2=6 x1*x2=-3
7/x2 + 7/x1=7(x1+x2)/x1*x2=7*6/-3=-14