Question

Subtract 12pq(p+q) from 10pq(p-q)

Answer 1

Expand them
(10p^2q-10pq^2)-(12p^2q+12pq^2)
=. -2p^2q-22pq^2
=. - 2pq(p+11q)

Answer 2

10pq(p-q) - 12pq(p+q).
your question is solved.