X^3 - 5X^2 = 6X X^(X^2 - 5X) = 6*X X^2 - 5X - 6 = 0 D = 25 - 4*1*(-6) = 25 + 24 = 49 ( V D = 7) X1 = ( 5 + 7) \ 2 = 6 X2 = ( - 2) \ 2 = ( - 1) ответ: ( - 1) и 7