Himpunan penyelesaian yang memenuhi |3x+2|kuadrat + |3x+2|-2=0 adalah

|3x+2|² + |3x+2| - 2 = 0
(|3x+2| + 2)(|3x+2| - 1) = 0
|3x+2| + 2 = 0
|3x+2| = -2
3x + 2 = -2
3x = -2 - 2
3x = -4
x = -4/3
3x + 2 = 2
3x = 2-2
3x = 0
x = 0
|3x + 2| - 1 = 0
|3x + 2| = 1
3x + 2 = 1
3x = 1 - 2
3x = -1
x = -⅓
3x + 2 = - 1
3x = -1 - 2
3x = -3
x = -3/3
x = -1
hp {-4/3, 0, -⅓, -1}