Question

задание решите уравнение

Answer 1

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