Question

How do you FOIL `(4m + 1) (5m - 3)`?

Answer 1

( 4m+1)(5m-3) = 4m x 5m + 4m x (-3) + 1 x 5m + 1 x (-3)
= 20m² - 12m + 5m - 3
= 20m² - 7m - 3