Question

Pq(r²-1)-r(p²+q²) factorize​

Answer 1

Explanation:

pq(r^2 - 1) - r(p^2 + q^2)

multiply the brackets

=pq*r^2 - pq*1 - r*p^2 - r*q^2

=pqr^2 - pq - rp^2 - rq^2

=pqr^2 -rp^2 -rq^2 -pq

Answer 2

pqr2-pq-p2r-rq2 is the answer