1. Factoring and Solving Polynomial Equations (Day 1)
Algebra 2: Section 6.4
Factoring and Solving Polynomial Equations (Day 1)

2. Review of Factoring Factor out GCF if present
Decide on what type of factoring based on the # of terms
2 Terms:
Difference of Squares
Difference or Sum of Cubes
3 Terms:
Trial and Error
Perfect Square Trinomial
4 Terms:
Grouping

3. Factoring Quadratics
Common Factor: 4x

4. Two # that multiply to get -21 and add up when foiled to get +11
Factoring Quadratics
Two # that multiply to get -21 and add up when foiled to get +11

5. Perfect Square Trinomial
Factoring Quadratics
Perfect Square Trinomial

6. Sum and Difference of Cubes

7. Rewrite as sum of cubes (Changed order, standard)
Examples
Rewrite as sum of cubes (Changed order, standard)

8. Factoring by Grouping (used when there are 4 terms)
Factor common factor out of first two terms and factor another common factor out of last two terms (may need to rearrange)
Factor common binomial out of each ‘term’

9. Examples
Parentheses should be the same!
Difference of two squares

10. Examples

11. Difference of two squares
Examples
Difference of two squares

12. Homework
P.349 #34-58 evens