" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4p² - 10 pq -10pq +25q² ( ingat 4x25=100 , jadi -10x-10=100, -10-10=20)
2p(2p-5q) -5q(2p-5q) = (2p-5q)(2p-5q)= (2p-5q)²