" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b² - 4ac = 0
(m - 7)² - 4(1)(9) = 0
m² - 14m + 13 = 0
(m - 1)(m - 13) = 0
m = 1 atau m = 13