Question

9. Write down the expansions of the following:
(1) (a + 1) (ii) (3x - 2y)?
(111) (2 + y) (iv) (2x-3​

Answer 1

Answer:

9.1 a*10+1

2. 3x*10+2y

3. 2*10+y

4. 2x*10 -3