Factor by Grouping pq-4p+q-4

$p q - 4 p + q - 4$

Factor out the greatest common factor from each group.

Group the first two terms and the last two terms.

$(p q - 4 p) + q - 4$

Factor out the greatest common factor (GCF) from each group.

$p (q - 4) + 1 (q - 4)$

Factor the polynomial by factoring out the greatest common factor, $q - 4$ .

$(q - 4) (p + 1)$