Chapter 12
Taking the Bite out of Binomial Factoring
IN THIS CHAPTER
Making quick work of the difference between two squares
Dicing up the cubes — their sums and differences
Using multiple factoring techniques
Binomials are expressions with two terms, such as 
or 
or 
. Quadratics (second-degree expressions) are made up of two or more terms with plus (+) or minus (–) signs between them. If there were equal signs, they would be equations. Quadratics have a particular variable raised to the second degree. A quadratic expression can have one or more terms, and not all the terms must have a squared variable, but at least one of the terms needs to have that exponent of 2. Also, a quadratic expression can’t have any power greater than 2 on the designated variable. The highest power in an expression determines its name. Some examples of quadratics are or or or . In this chapter, I concentrate ...
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