# Set

Written by Jerry Ratzlaff on . Posted in Algebra

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

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