Question

5.
(i) (5m - 3n)x(4m + 6n)
habc
2, 1.2 (3²5, 2)​

Answer 1

Your answer is here

Hope it will help you.

Answer 2

Step-by-step explanation:

$20 {m}^{2} + 30 {mn}- 12mn - 18 {n}^{2} \\ 20 {m}^{2} +18mn - 18 {n}^{2}$