Chapter 4
Factoring in the First and Second Degrees
IN THIS CHAPTER
Dividing out a linear factor
Tackling the factorization of quadratic expressions
Watching for special cases in factoring
In this chapter, you discover how to change from several terms to one, compact product. The factoring patterns you see here carry over somewhat in more complicated expressions.
When factoring, you find linear expressions (such as 
) and quadratic expressions (such as 
or 
). These are expressions because they’re made up of two or more terms with plus 
or minus 
signs between them.
Some quadratic expressions may have one variable in them, such as . Others may have two or more variables, such as .
These expressions ...
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