Question

add p( p-q),q(q-4)and r(r-p)​

Answer 1

Answer:

=p²-pq+q²-4q+r²-pr

=p²+q²+r²-pq-4q-pr

Answer 2

Answer:

$answer \: \: is \\ {p}^{2} - pq + {q}^{2} - qr + {r}^{2} \\ - pr$