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|x| ≥ 6
Ekuivalen dengan x ≤ -6 dan x ≥ 6.
12).
|4x - 3| ≥ 5
4x - 3 ≤ -5
4x ≤ -2
x ≤ -1/2
4x - 3 ≥ 5
4x ≥ 8
x ≥ 2
HP = {x | x ≤ -1/2 atau x ≥ 2}
13).
-2 < x ≤ 2
14).
Pembuat nol pembilang
3x² + 22x + 24 = 0
x = -6 atau -1 1/3
Pembuat nol penyebut
x² - 2x + 1 = 0
x = 1
HP = {x | -1 1/3 ≤ x < 1}