# Set

A set is a group of numbers, variables, or really anything written expressed with parentheses \(\large{ (\; ) }\) or brackets \(\large{ [\; ] }\) .

- \(\large{ \left(3a-4b\right) \; \left(3a+4b\right) }\)
- \(\large{ \left[\left(3a-4b\right) +5\right] \; \left(3a+4b\right) }\)

### Set Symbols and examples

- See set symbols