Question

please help , my dears friends ​

Answer 1

Step-by-step explanation:

p(2p- 4q-1/2r)+q(2p-4q-1/2r)

= 2p^2-4 pq- p/2r + 2qp- 4q^ 2- q/2r

= 2p^2 -2pq -p/2r - q/2r