pliss jawab ya [3x+6]-[x-10]=0

Nilai Mutlak

|3x + 6| - |x - 10| = 0
|3x + 6| = |x - 10|

(3x + 6)² = (x - 10)²
9x² + 36x + 36 = x² - 20x + 100
9x² - x² + 36x + 20x + 36 - 100 = 0
8x² + 56x - 64 = 0
8(x² + 7x - 8) = 0
x² + 7x - 8 = 0
(x + 8)(x - 1) = 0
x = -8 dan x = 1

HP {-8 , 1}

Semoga berguna +_+