Question

solve the inequality:

(5x + 2)(x^2-1) / x + 2 > 0

Answer 1

what zeros for all terms ?

Answer 2

@RadEn

Sorry, i don't understand what you're asking D:

Answer 3

ok, nopes..
first, because x^2-1=(x+1)(x-1), so it can be
(5x + 2)(x+1)(x-1)/(x + 2) > 0
solve for x, if :
5x + 2=0, x=...?
x+1=0, x=...?
x-1=0, x=...?
x+2=0, x=...?
find of them ! then we continue next steps...