Question

| x + 3 | < | x - 1 |

Answer 1

Verified answer

| x + 3 | < | x - 1 |
(x + 3)² < (x - 1)²
x² + 6x + 9 < x² - 2x + 1
6x + 9 < -2x + 1
6x + 2x < 1 - 9
8x < -8
x < -1

HP : {x| x< -1 , x ∈ R}