Question

Factor the four-term polynomial.

pq - 3r + pr - 3q.

(p - 3)(q + r)
(p - r)(q + 3)
(p + 3)(q - r)

Answer 1

Hello,

$pq-3r+pr-3q=pq-3q+pr-3r=q(p-3)+r(p-3)=(p-3)(q+r)$

Answer A