What do I need to know about expanding brackets?
- To expand brackets, the rule is that each term in one set of brackets must be multiplied by each term in the other set of brackets
- 'FOIL' is a special case of this, when each set of brackets contains two terms
- If you are trying to expand something like (a + b)n for powers of n greater than 2 or 3, use the binomial expansion
- If you have to expand more than two sets of brackets, just expand them two at a time: