Factoring 12 - Trinomials Part 5

Sick of ads?‚Äč Sign up for MathVids Premium
Taught by YourMathGal
  • Currently 4.0/5 Stars.
7002 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, we learn how to factorize non-basic trinomials into two binomials using factoring by grouping and the box method. The instructor provides examples where the first and last terms multiply out to be negative or positive, and walks through the process of finding two numbers with the sum equal to the middle term. They also demonstrate how to factor using the shortcut method. With various options available, the best way to learn is by practicing, practicing, practicing.

Lesson Description:

This is part 5 of factoring non-basic trinomials into 2 binomials. More examples using factoring by grouping, and the box method.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • What is factoring by grouping?
  • What are the steps for factoring a trinomial by grouping?
  • How do you factor 18x^2 - 9x - 5 by grouping?
  • How do you know which terms to group together when factoring by grouping?
  • How do you factor 8x^2 - 30x + 25 by grouping or with the box method?
  • How can you check to make sure that your answer is correct when you factor a trinomial by grouping?
  • What is the box method for factoring a trinomial?
  • How do you factor a trinomial using the box method?
  • Staff Review

    • Currently 4.0/5 Stars.
    This video shows all steps required to factor a trinomial by grouping. This method works for any trinomial that factors. This is a great video to watch to learn how to factor a trinomial. The box method of factoring is also explained.