Question

Simplify p(p - q) - q(q - p).

p 2 - q 2
p 2 + q 2
p 2 + pq - q 2
p 2 - pq - q 2

Answer 1

→p²-qp - q² +qp
=p²-q² -pq+pq
=p²-q²

So the answer is (1)→p²-q²

Hope it helps...
Regards,
Leukonov.

Answer 2

p^2-pq-q^2+qp

p^2-q^2



1 one is ans.