" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Kuadratkan kedua ruasx² - 16 = x + 4
x² - x - 16 - 4 = 0
x² - x - 20 = 0
(x + 4)(x - 5) = 0
x = -4 atau x = 5