Question

factorise the following
p^(2)q - pr^(2) - pq + r^(2)

Answer 1

Answer:

= (p−1)(pq−r^2)

Step-by-step explanation:

p^2q−pr^2−pq+r^2

=p^2q−pq−pr^2+r^2

= pq(p−1)−r2(p−1)

= (p−1)(pq−r2)

= p^2q−pr^2−pq+r^2

= (p−1)(pq−r^2)