Question

How do you multiply `(3m-1) (8m+7)`?

Answer 1

`=24m^2 +13m -7`

Explanation:

`color(green)((3m−1))(8m+7)`

`=color(green)((3m))(8m+7)−color(green)(1) (8m+7)`

`=24m^2 +21m -8m -7`

`=24m^2 +13m -7`