Factoring Completely - 1
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Lesson Description:
This video demonstrates how to factor some polynomials completely by factoring out the GCF first. In these problems, after factoring out the GCF, you will get a quadratic trinomial that can be factored.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you completely factor a polynomial?
- How do you factor a polynomial completely by first factoring out the GCF?
- How do you factor x^2 - 5x + 6 completely?
- How do you factor 3x^3 - 15x^2 + 18x completely?
- How do you factor 4x^4 - 18x^3 - 10x^2 completely?
- How do you factor 100x^5m - 170x^4m + 30x^3m completely?
- How do you factor 6(3x - 5)x^2 + 33(3x - 5)x + 15(3x - 5) completely?
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Staff Review
This lesson helps you learn the idea that you must factor out a common factor or GCF from every term of a polynomial first before attempting to factor it. Sometimes, this common factor can be just a number or a variable, or sometimes it can be a polynomial expression itself. Be sure to check out this lesson if you are having trouble factoring polynomials. The final problem is especially challenging and fun!
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