## Reference Topics 6-2

Here is some practice factoring trinomials using FOIL.
http://www.mathwizz.com/algebra/help/help3.htm

Here is some practice factoring difference of squares:
http://www.purplemath.com/modules/specfact.htm

This excellent Khan Academy site give extra practice in factoring:

## Homework Hints 6-2

Problem 1
Look for a common factor, then look to see if it is a difference of squares, and finally check to see if it is a trinomial.

Problem 2
A difference of squares has the form a2 – … See the whole entry

## 6.2 Outline

1. Factor – this is the second of four main processes in algebra
2. Using areas to factor
3. Using algebra to factor
1. FOIL
2. procedure for factoring trinomials
3. common factoring
4. completely factored
5. difference of squares

## 6.2 Essential Ideas

COMMON FACTOR; … See the whole entry

## 6.1 Outline

1. Terminology
1. term
2. polynomial
1. monomial
2. binomial
3. trinomial
3. degree
1. of a term
2. of a polynomial
3. linear
4. numerical coefficient
2. Simplification
1. like terms/similar terms
2. simplify – this is the first of four main processes in algebra
3. Shortcuts with products
1. FOIL (see
See the whole entry