a²-b² = (a+b) (a-b)
144 - 9y² = 12² - (3y)² = (12+3y)(12-3y)
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
a²-b² = (a+b) (a-b)
144 - 9y² = 12² - (3y)² = (12+3y)(12-3y)