Question

PLEASE ANSWER ME IT'S VERY TOUGH


Expand and simplify
(a + b)(a - b)(a + b)
IDENTITIES METHOD​

Answer 1

(a+b)(a-b)(a+b)

a²-b²(a+b) [use indentity a²-b² = (a+b)(a-b)]

a(a²-b²) +b(a²-b²)

a³-ab²+ba²-b³

✌️✌️✌️

hope it helps you....