How to solve these inequalities 1. |ax+3|0 3. (x-1)^2(x+2) ----------------0, (a belongs to R) Thank you!

How to solve these inequalities 1. |ax+3|0 3. (x-1)^2(x+2) ----------------0, (a belongs to R) Thank you!

1、 |ax+3| 2
-5 < ax > -1
(1) If a > 0 - 5 / a < x > - 1 / A
(2) If A0
(x-a)(x-a²)>0
(x-a)²(x+a)>0
x>a