leothan's profile - activity

The problem I'm having is the solution I get on sage when solving the following inequality

[(4*x+5)/(x^2)>=4/(x+5)]

It gives me the wrong answer

([x < -5], [x >= -1])

the answer should be

(x<-5),(-1<=x<0),(0<x<oo).

The answer can be checked at here at wolframalpha. I'm still new to sage and in the learning process I don't know if I might be doing something wrong.