latresa31s
Junior Member
- Joined
- Sep 4, 2005
- Messages
- 135
Multiply: (7b + 3)(3b – 4)
using the F O I L method
= 7b*3b + 7b*(-4) + 3*3b + 3*(-4)
=21b + 28b +9b -12
=21b +19b-12
using the F O I L method
= 7b*3b + 7b*(-4) + 3*3b + 3*(-4)
=21b + 28b +9b -12
=21b +19b-12