Question

Solve the equation ?

`x(x+2)(x^2-1)=-1`

Answer 1

`x_1=x_2=1/2(-1+sqrt(5))`
`x_3=x_4=1/2(-1-sqrt(5))`

Explanation:

Your term is equal to
`(x^2+x-1)^2=0`
from here you will get all Solutions.