" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x² - 2x - 15 = 0
faktorkan ,
(x - 5)(x + 3) = 0
x-5 = 0
x = 5
x +3 = 0
x = -3
x = 5 atau -3