Question

3. Find the products.
(a) (3a + b) (5a – 4b)​

Answer 1

Answer:

here's your answer ...…….........

Answer 2

Answer:

15a²-7ab-4b²

Step-by-step explanation:

(3a+b)(5a-4b)

= 3a×5a-3a×4b+b×5a-b×4b

=15a²-12ab+5ab-4b²

=15a²-7ab-4b²