5/x-2-10/x+3-3/2x-5+3大于等于0

问题描述:

5/x-2-10/x+3-3/2x-5+3大于等于0

5/x-2-10/x+3-3/2x-5+3>=0
5/x-10/x-3/2x-2+3-5+3>=0
-5/x-3/2x-1>=0
(-5-3/2x²-x)/x>=0
(3/2x²+x+5)/x