Question

factorise pr(q-r)(q+r)-rp(p-q)(q-r)​

Answer 1

Answer:

(q-r)(rp)(2q + r - p)

Step-by-step explanation:

pr(q-r)(q+r)-rp(p-q)(q-r)

= (q-r)(pr(q+r) - rp (p-q))

= (q-r)(prq + pr^2 - rp^2+ prq)

=(q-r)( 2prq + rp(r - p))

= (q-r)(rp)(2q + r - p)