Inequality-------10marks

Solve the compound inequality
x²+x−2<0
(x−1)(x+2)<0
−2<(x)<1

Solve the compound inequality
x²−2x−3≥0
(x−3)(x+1)≥0
x≥0 or x≤−1


2010-04-18 17:12:35 補充：
Correction:

Solve the compound inequality
x²−2x−3≥0
(x−3)(x+1)≥0
x≥3 or x≤−1

2010-04-18 17:14:58 補充：
For combine two question, −2<(x)≤−1