" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= ( a-5) (a-5)
=a² - 5a - 5a + 25
= a² + 52
(2x + y)²
=(2x + y ) ( 2x + y )
=4x² +2xy +2xy +y²
=4x² + 4xy +y²