1. 2-4 The Distributive Property
Used for multiplying a sum or difference by a number.
Distributive Property:

2. I. Simplifying Algebraic Expressions
An algebraic expression in simplest form:
1.) has no grouping symbols
2.) has no like terms
Ex 1:

3. Ex 2: Using the Multiplication Property of -1

4. Def: In an algebraic expression, a term is a number, a variable, or the product of a number and one or more variables.
Def: A constant is a term that has no variable.
Def: A coefficient is a numerical factor of a term.

5. Def: Like terms have the same variable factors.

6. Ex 3: Combining Like Terms

7. Writing an Expression