pertidaksamaan |5x+3|<|x-1|

|5x+3|<|x-1|
(5x+3 < x-1 )²
25x² + 30x + 9 < x² - 2x + 1
24x² + 32x + 8 <0
3x² + 4x + 1 < 0
(3x+1)(x+1) < 0

Hp = { -1 < x < -1/3}