Question

factorise p2+qr+pq+pe

Answer 1

p^2+qr+pq+pe
p^2+pe+pq+qr
p(p+e)+q(p+r)
(p+e)(p+q)(p+r)

Answer 2

p2 +qr+pq+ pe

=p2+pe+qr+pq

=p(p+e)+q(r+p)

=(p+e)(p+q)