Question

add: p(p-q),q(q-r) and r(r-p)​

Answer 1

Step-by-step explanation:

p(p-q)+q(q-r)+r(r-p)

p²-pq+q²-qr+r²-rp

Answer 2

Answer:

p(p-q)+q(q-r)+r(r-p)

p²-pq+q²-qr+r²-rp

p²+q²+r²-pq-qr-rp