❶ -1x-1＞x分之-6 ❷ -1x-1＜x分之-6

❶ -1x-1＞x分之-6 ❷ -1x-1＜x分之-6
❶ -1x-1＞x分之-6 ❷ -1x-1＜x分之-6

❶ -1x-1＞x分之-6 ❷ -1x-1＜x分之-6
❶ -1x-1＞x分之-6
当x>0时：-x^2-x+6>0
(x+3)(x-2)

-1x-1＞x分之-6
-x-1＞-6/x
-x^2-x>-6
0>x^2+x-6
0>(x+3)(x-2)
x<-3或x>2

两边各乘以-6得:❶ 6x+6x
移项合并得: 5x<-6 5x>-6
两边同除以5得 x<-6/5 x>-6/5