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