Question

factorise. a-b-(a)sq-(b)sq​

Answer 1

Answer:

=a-b-as-aq-bs-bq

=a-as-aq-b-bs-bq

=a(1-s-q)-b(1+s+q)

=-a(-1+s+q)-b(1+s+q)

=-a(s+q-1)-b(s+q+1)

Answer 2

Answer:

Answer ⬇

=> a-b-as-aq-bs-bq

=> a-as-aq-b-bs-bq

=> a(1-s-q)-b(1+s+q)

=> -a(-1+s+q)-b(1+s+q)

=> -a(s+q-1)-b(s+q+1)

thanks..