HP Nilai mutlak |2x-1|=|4x+3|

Mapel : Matematika
Kelas : X SMA
Materi : Persamaan Nilai Mutlak

Pembahasan :
|2x - 1| = |4x + 3|
(4x + 3)² = (2x - 1)²
(4x + 3)² - (2x - 1)² = 0
(4x + 3 + 2x - 1)(4x + 3 - 2x + 1) = 0
(6x + 2)(2x + 4) = 0
x = -1/3
x = -2

Hp : {-2 , -1/3}