1.-2x+1＞02.ax+1＜03.(x-2)(x+3)＞04.2x^2+3x-9≤05.x-2/x+3≤06.x-2

1.-2x+1＞0
2.ax+1＜0
3.(x-2)(x+3)＞0
4.2x^2+3x-9≤0
5.x-2/x+3≤0
6.x-2/x+3＞0
7.-x^2-x+6≥0
8.|x-3|≥1
9.|2x-1|≤3
10.x^2+x+1≤0
结果表示用集合
麻烦写写过程.