This lesson teaches a nontraditional method of factoring 4 terms into 2 binomials using a box. The key is to ensure that the product of each diagonal of the two diagonals are the same. By pulling out the greatest common factor, figuring out what goes along the right-hand side, and determining what goes up on the top, you can easily factor the equation. The box method is particularly useful when dealing with a lot of minus signs, and it is a great alternative to traditional factoring by grouping and parentheses.
This video covers how to factor 4 terms into 2 binomials by using a nontraditional method using a BOX.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com