Factoring expressions

Greatest Common Factor

100

What is the Greatest Common Factor of 3,6, & 9?

3

200

What is the Greatest Common Factor of 63 & 42?

21

300

What is the Greatest Common Factor of 143, 110, & 22

11

Difference of Squares

100

Factor a^2-64

(a+8)(a-8)

200

Factor 16b^2-1 

(4b+1)(4b-1)

300

Factor 121x^2-9y^2

(11x+3y)(11x-3y)

FactoringWays

100

Use the Box Method:

 (2x^2+9x+10)

(x+2)(2x+5)

200

Use the Factor by Grouping: 

6x^2+27x+30

(3x+6)(6x+15)

300

Use Either Box Method or Factor by Grouping: 

4x^2-19x+12

(x-4)(4x-3)