| 2x + 1 | < | 2x - 3 |
Matematika
Muammar20
Pertanyaan
| 2x + 1 | < | 2x - 3 |
1 Jawaban
-
1. Jawaban ahreumlim
| 2x + 1 | < | 2x - 3 |
(2x + 1)² < (2x - 3)²
4x² + 2x + 1 < 4x² - 12x + 9
2x + 1 < -12x + 9
14x < 8
x < 8/14
x < 4/7
HP : {x| x < 4/7 , x ∈ R}