Question

1. (a - 1)^3+ 2(a - 1)^2
2. (a - 3)^2 - (a + 3)(a - 3)

3. pq - as + pr + aq - ps + ar
4. r(p - 9) - s(9-p)...factorisethe folowing​

Answer 1

Step-by-step explanation:

I hope this helps you.

In the 1 st page answers of 1,2,3

and in the 2 nd page 4th answer is written