Question 848256
(5m - 6)(3m + 4) = 5m(3m + 4) - 6(3m + 4) 


(5m - 6)(3m + 4) = 5m(3m) + 5m(4) - 6(3m) - 6(4) 


(5m - 6)(3m + 4) = 15m^2 + 20m - 18m - 24


(5m - 6)(3m + 4) = <font size = 4 color="red">15m^2 + 2m - 24</font>