1. Notes 8.4 – MULTIPLYING SPECIAL CASES

2. I. Perfect Square Binomials
Simplify the following expressions:
1.) ) 3.)
Notice anything special about the middle term?

3. The Square of a Binomial
The of a binomial is the SQUARE of the FIRST term plus the PRODUCT of the terms plus the SQUARE of the LAST term.
SQUARE
TWICE

4. Example: Simplify the expression:

5. II. Using Mental Math
Example: What is

6. III. Product of a Sum and Difference
Simplify the following expressions:
1.) ) )
Notice anything?

7. Product of a Sum and Difference
The of a pair of binomials that is a SUM and a DIFFERENCE of the same two terms is the
of their .
PRODUCT
DIFFERENCE
SQUARES

8. IV. Using Mental Math
Example: What is

9. Homework :
Tonight: Section 8.4 pages #’s even