Factorise - 25-a square-b square-2ab
25-a2-b2-2ab
25-(a2+b2+2ab) (As Sign Changes When Minus Is Outside The Bracket
52-(a+b)2
(5+a+b)(5-a-b) (Using a2-b2 = (a+b)*(a-b)
Factorise - 25-a square-b square-2ab
25-a2-b2-2ab
25-(a2+b2+2ab) (As Sign Changes When Minus Is Outside The Bracket
52-(a+b)2
(5+a+b)(5-a-b) (Using a2-b2 = (a+b)*(a-b)