Задание решите уравнение
X(x^2 + 2x + 1) = 2(x + 1) x(x + 1)^2 - 2(x + 1) = 0 (x + 1)(x(x + 1) - 2) = 0 (x + 1)(x^2 + x - 2) = 0 (x + 1)(x - 1)(x + 2) = 0 x = -1 x = 1 x = -2