Question

不等式

x-2

x2+3x+2

＞0的解集是 ______

Answer 1

：

x-2

x2+3x+2

＞0?

x-2

(x+2)(x+1)

＞0?(x-2)(x+2)(x+1)＞0，数轴标根得：{x|-2＜x＜-1，或x＞2}
故答案为：{x|-2＜x＜-1，或x＞2}