1. Review: Factoring Trinomials
Texas Algebra I
Review: Factoring Trinomials

2. Lesson Objectives The student will be able to:
Write a given trinomial as a product of its factors

3. Trinomials
Factor by finding GCF.

4. Trinomials
Factor.
factors 56 1 56 2 28 4 14 7 8

5. Trinomials Factor. Which pair’s sum is middle term? 1 56 2 28 4 14 7 8
factors 56 1 56 2 28 4 14 7 8
Which pair’s sum is middle term?

6. Trinomials Factor. Which pair’s sum is middle term? 1 56 2 28 4 14 7 8
factors 56 1 56 2 28 4 14 7 8
Which pair’s sum is middle term?

7. Trinomials Factor. Which pair’s sum is middle term? 1 56 2 28 4 14 7 8
factors 56 1 56 2 28 4 14 7 8
Which pair’s sum is middle term?

8. Trinomials
Factor by grouping.

9. Trinomials
Factor by grouping. Break up center term:

10. Trinomials
Factor by grouping. Group the first pair of terms and last pair.

11. Trinomials
Factor by grouping. Factor out the GCF from the front and back set.

12. Trinomials
Factor by grouping. Notice that the binomial term is the same.

13. Trinomials
Factor by grouping. That means we can factor it out!

14. Trinomials
Factor by grouping. The second set of parenthesis is what’s left.

15. Trinomials
This is a binomial, but we need to mention it here. This is a special case called the difference of squares.
“difference”
Perfect squares

16. Trinomials
This is a binomial, but we need to mention it here. This is a special case called the difference of squares.
“difference”
Perfect squares

17. Trinomials There are also special trinomials that are perfect squares.

18. Trinomials There are also special trinomials that are perfect squares.

19. Trinomials There are also special trinomials that are perfect squares.

20. Trinomials
This is also a perfect square. 2 x 5
Perfect squares

21. Lesson Objectives The student will be able to:
Write a given trinomial as a product of its factors