Answer:
4m^2 -49
Step-by-step explanation:
(2m + 7) (2m – 7)
FOIL
first 2m*2m = 4m^2
outer 2m *-7 = -14m
inner 7 *2m = 14m
last 7*-7 = -49
Add them together
4m^2 -14m+14m -49
Combine like terms
