Question

13) Expand to simplify
(1) (a + b)(a - b)(a + b)
(ii) (a + b)-(a - b)?
(iii) (a + b)(a + b)(a - b)​

Answer 1

Answer:

1. ( a+b) ( a-b) ( a+b)

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

2.(a+b) -( a-b)

a2- b2

3.( a+b) ( a+b )( a-b)

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