Question

find the product (a-b)(2a+4b)​

Answer 1

Answer:

$(a - b)(2a + 4b) \\ = 2 {a}^{2} + 4ab - 2ab - 4 {b}^{2} \\ = 2 {a}^{2} + 2ab - 4 {b}^{2} \\ answer$