1. Difference of Two Perfect Squares

2. Factoring Difference of Two Squares
Both terms must be Perfect Squares and have a MINUS between them
Check the binomial for GCF
Use two sets of parenthesis (one’s a plus, one’s a minus)
Split up what it takes to make the 1st a perfect square and what it takes the 2nd to be a perfect square

3. Difference of Two Squares
Factor

4. Difference of Two Squares
Factor

5. Foil the following:
Do you notice a pattern??

6. Perfect Square Trinomials

7. Perfect Square Trinomials
Whenever you square a binomial, the resulting trinomial is called a perfect square trinomial.
Factoring Perfect Square Trinomials (it’s a shortcut ):
a2 + 2ab + b2 = (a + b)2
a2 - 2ab + b2 = (a - b)2

8. Perfect Square Trinomials
Factor