College Algebra (11th Edition)

15$m^{2}$ + 2m - 24
1. FOIL (5m - 6)(3m + 4) = 5m(3m) + 5m(4) - 6(3m) - 6(4) 2. Multiply. 15$m^{2}$ + 20m - 18m - 24 3. Add like terms. 15$m^{2}$ + 2m - 24