Question

25(a+b)square -36(a-2b)square

Answer 1

Step-by-step explanation:

25(a+b)² -36(a-2b)²

{5(a+b)}² - {6(a-2b)}²

{(5a+5b) + (6a-2b)} {(5a+5b) - (6a-2b)}

(5a+5b+6a-2b) (5a+5b-6a+2b)

(11a+3b)(7b-a) answer