Question

Add: p (p + q), q (q - r)



Please Help

Answer 1

Answer:

Step-by-step explanation:

p^2 + pq + q^2 - qr

Answer 2

Step-by-step explanation:

{ p(p+q) } + { q(q-r) }

p² + pq + ( q² - qr)

p² + pq + q² - qr

p² + q² + pq - qr is the answer.