Factoring for a2 - b2

(Difference of Squares)

Instructions:

  1. Click on "Show a Problem".
  2. Do the problem on paper.
  3. Use the hints as needed to help you work.
  4. Click on "Show the Answer" to check your work.
  5. Repeat until you can do the problems easily.

 

a2 - b2 is:

Possible factors for a2 are:

Possible factors for b2 are:

Use these factors for a2:
 

Use these factors for b2:
 

The answer is:
 


Javascript by Robert Bunge of Cyber School Services