" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
|x + 1| ≥ 4/2
|x + 1| ≥ 2
(x + 1)^2 ≥ 2^2
x^2 + 2x + 1 ≥ 4
x^2 + 2x - 3 ≥ 0
(x + 3)(x - 1) ≥ 0
x = -3 atau x = 1
Garis bilangan
+++ (-3) --- (1) +++
x ≤ -3 atau x ≥ 1