How do you factor the expression 4 - 2q - 6q + 3pq?

1 Answer
Jul 15, 2016

(2-q)(2-3q)

Explanation:

There is no common factor throughout, so group the terms. There MUST be a + sign between the groups.

(4-2q)+(-6q+3pq)

=2(2-q) -3q(2-q)" note the change in signs"

=(2-q)(2-3q) " there is a common bracket"