Question

Помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

х²+1/х+х/х²+1=-5/2,х≠0
t+1/t=-5/2
t=-1/2
t=-2
x²+1/x=-1/2
x²+1/x=-2
x=-1,х≠0
х=-1