In this lesson, you will learn how to factor out a negative sign from the greatest common factor, and how to recognize opposites, such as a-b and b-a. The transcript walks you through several examples of how to factor out a negative sign, and demonstrates how you can recognize that two terms are opposites. This knowledge will be useful when factoring and can help you recognize alternative forms of the same equation.
This is part 2 on factoring, and covers how to factor out a negative sign, and also how to recognize opposites such as a - b and b - a.
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