tentukan nilai x jika : |6x+9|=4x+17

|6×+9|=4×+17
(6×+9)²=4×+17
(6×+9)²-4×+17=0
(6×+9+4×+17)(6×+9-4×+17)=0
(10×+26)(2×+26)=0
10×+26=0
10×=-26
x=-26/10
atau
2×+26=0
2×=-26
×=-26/2
×=-13
jadi HP{-26/10,-13}