| 2x - 1 | = | 4x - 3 |
Matematika
Aisyahriskilestari
Pertanyaan
| 2x - 1 | = | 4x - 3 |
1 Jawaban
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1. Jawaban Anonyme
|2x - 1| = |4x - 3|
(2x - 1)² = (4x - 3)²
4x² - 4x + 1 = 16x² - 24x + 9
12x² - 20x + 8 = 0 ... bagi 4
3x² - 5x + 2 = 0
(3x + 1)(x - 2) = 0
x = -1/3 atau x = 2
HP = {-1/3 , 2}