" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
___________________________________
16a² - 49b² ⇒
___________________________________
a² + 4ab - 45b² ⇒
___________________________________
3y² - 4y + 15 ⇒ 3y² + 9y - 5y + 15
⇒ ( 3y² + 9y ) - ( 5y + 15 )
⇒ 3y ( y + 3 ) - 5 ( y + 3 )
⇒