This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Example: 2x 2 + 9x + 10 = 2x 2 + 4x + 5x + 10 = 2x(x + 2) + 5(x + 2) = (x + 2)(2x + 5) The key here is to find two numbers that add to 9 but multiply out to 2x10 = 20. Those numbers are 4 and 5 so you rewrite 9x as 4x+5x. There are nearly countless other forms of factorization, but these are the ones most commonly used....
View Full Document
This note was uploaded on 11/05/2011 for the course ANTHRO 101 taught by Professor Crandall during the Fall '09 term at BYU.
- Fall '09