Question

find the product:

1.
3ab(a^2b-ab^2)

2.
5a^2b^3(4a^3b+2ab^3​

Answer 1

Answer:

$1.(3 {a}^{2} b - 3a {b}^{2} )ab \\ = 3 {a}^{3} {b}^{2} - 3 {a}^{2} {b}^{3} \\ \\ \\ 2. \: 5 {a }^{2} {b}^{3} (4 {a}^{3} b + 2a {b}^{3} ) \\ = 20 {a}^{5} {b}^{4} + 10 {a}^{3} {b}^{6}$

I hope it will help you to understand the solution