" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
log (x² - x - 2) ≤ log 10
x² - x - 2 ≤ 10
x² - x -12 ≤ 0
(x - 4) (x + 3) ≤ 0
-3 ≤ x ≤ 4
x² - x - 2 > 0
(x - 2) (x + 1) > 0
x < -1 atau x > 2
gabungkan
-3 ≤ x < -1 atau 2 < x ≤ 4