Question

substract: 2p(p-q+3r) from 4p(5r-2q+3p)

Answer 1

Answer:

=4p(5r-2q+3p) - 2p(p-q+3r)

=20pr-8pq+12p^2 - (2p^2-2pq+6pr)

=20pr-8pq+12p^2 -2p^2+2pq-6pr

=20pr-6pr-8pq+2pq+12p^2 -2p^2

=14pr-6pq+10p^2

Hopefully this will be helpful to you......