Factoring 11 - Trinomials Part 4
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Part of video series
Meets NCTM Standards:
Lesson Description:
This is part 4 of factoring non-basic trinomials into 2 binomials by Factoring by Grouping. Explains why using the sum and product idea works when rewriting the middle term as the sum of two terms.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Additional Resources:
- Factoring by grouping method - An explanation of the method of factoring a polynomial by grouping.
- Factoring by grouping problems - Several practice problems for factoring polynomials by grouping including the solutions and explanations.
Questions answered by this video:
- How do you factor trinomials by grouping?
- What is factoring by grouping?
- Why does the shortcut or sneaky way of finding one factor of a trinomial work?
- How do you factor 2x^2 + 7x - 15 by grouping?
- How do you know what two terms to break up the middle term into when you factor a trinomial by grouping?
- How do you know which terms to group when you factor a trinomial by grouping?
- Is there a shortcut for factoring by grouping?
- What is the trick to the easy way to factor a trinomial by grouping?
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Staff Review
This lesson teaches a shortcut to the common method of factoring trinomials by grouping. This method works for any trinomial that factors and the steps are the same for every trinomial. This video does a great job explaining each step of this process.
