tentukan : 6x² +13x <-6

6x^ + 13x + 6 < 0
(3x+2)(2x+3) < 0
3x=-2
x=-2/3 atau 
2x=-3
x=-3/2

hp = {x| -2/3 <x< -3/2}

6x²+13x+6<0
((3x+2)(2x+3)<0

3x-2<0
x<2/3

2x+3<0
x<-3/2


hp={-2/3<x<-3/2}