# Common Factor

Taught by dougsimmsonline
• Currently 4.0/5 Stars.
6789 views | 2 ratings
Part of video series
Meets NCTM Standards:
Errors in this video:

There is a small error in the first example: the factored form should be x^3(a - b + c - d^2*x^3)

Lesson Description:

The Common Factor factoring method.

• What is factoring?
• What is a common factor?
• How do you find the greatest common factor of terms of a polynomial?
• How can you factor out the GCF from a polynomial?
• What is the greatest common factor of ax^3 - bx^3 + cx^3 - d^2x^6?
• How do you factor ax^3 - bx^3 + cx^3 - d^2x^6 by finding the GCF?
• How do you factor xy - 6x^2y^2 + 9xy^3 - 12x by taking out the greatest common factor?
• How do you factor ax^2 + a^3x^2 - ax^3 by taking out the GCF?
• How do you factor 17ax^2 - 34a^2x^3 - 51a^3x^4 by finding the greatest common factor?
• How do you know if you factored a polynomial correctly?
• #### Staff Review

• Currently 4.0/5 Stars.
This lesson is a great introduction to factoring by showing how to take out the greatest common factor of a polynomial. This series of videos on factoring does a great job and is very understandable.
• #### mathpro

• Currently 5.0/5 Stars.
It was a good vid. I enjoyed how nicley and clean he taught this lesson.