All three methods are reviewed below:
GCF by listing factors:
GCF using Prime Factorization and Factor Trees:
GCF using Upside-Down Birthday Cake
Review video for applying the algebraic properties to simplify expressions is below. Please remember to use your notes and especially your notes on the four properties to assist you with completing this.
Please see videos below to review combining numbers/variables and how to use the distributive and commutative property to simplify an expression.