" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
tinggal di kalikan keduanya saja
( x - 5/2 ) ( x + 6 ) = 0
x2 + 6x - 5/2x - 15 = 0
x2 + 7/2x - 15 = 0 (dikali 2)
2x2 + 7x - 30 = 0
semoga membantu :)