Multiple choice The factors of 15pq + 15 + 9q + 25p is ( 5p + 3)( 3q + 5) ( 5p +3)(q +5) ( p + 3)( 3q + 5) None of these Reveal answer Fill a bubble to check yourself A Correct answer Explanation Factor by grouping: 15pq + 25p + 9q + 15 = 5p(3q + 5) + 3(3q + 5). Factoring out the common binomial (3q + 5) yields (5p + 3)(3q + 5).