Nilai x yg memenuhi persamaan mutlak |x+2|=3

|x + 2| = 3
x + 2 = 3
x = 1

Atau
x + 2 = -3
x = -5

Mapel : Matematika
Kelas : X SMA
Bab : Mutlak

Pembahasan :
|x + 2| = 3
(x + 2)² = 3²
(x + 2)² - 3² = 0
(x + 2 + 3)(x + 2 - 3) = 0
(x + 5)(x - 1) = 0
x = -5
x = 1

Hp : {-5 , 1}