X^2 + 1/x+1 = 1/x+1 -x

Question

X^2 + 1/x+1 = 1/x+1 -x

Answer 1

X^2 + 1/x +1 = 1/x+1 -x
x^2 + 1/x +1 -1/x -1 = x
x^2 = -x |:x
х= -1

Проверка: (-1)^2 +1/-1 +1 = 1/-1 +1 +1
                    1 - 1 +1 = -1 +1 +1
                     1 = 1

---