Chapter 4

Factoring in the First and Second Degrees


Bullet Dividing out a linear factor

Bullet Tackling the factorization of quadratic expressions

Bullet 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 math) and quadratic expressions (such as math or math). These are expressions because they’re made up of two or more terms with plus math or minus math 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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