1. Lesson 7-8 Special Products

2. Three Shortcuts
When multiplying binomials, there are three types of problems that always follow specific patterns.
Square of a Sum
Square of a Difference
Product of a Sum and a Difference

3. Square of a Sum
Use FOIL to solve
Notice a pattern?
Square of a Sum:

4. Examples
Solve
Identify a and b.
Plug them into the formula.

5. Square of a Difference
Exactly the same as square of a sum, except the middle term will be negative.
Square of a Difference:

6. Product of a Sum and a Difference
Solve using FOIL
Notice a Pattern?
is called the Difference of two Squares

7. Examples
Solve

8. Problems to Try
Solve