Multiple choice What is (2a - 1) (8a - 5) in expanded form? 16a2 + 18a - 5 16a2 - 18a + 5 16a2 + 18a + 5 16a2 - 18a - 5 Reveal answer Fill a bubble to check yourself B Correct answer Explanation (2a - 1) (8a - 5) = 16a2 - 10a - 8a + 5 (Using Foil) = 16a2 - 18a + 5