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April 20, 2014

April 20, 2014

Posted by **colin** on Tuesday, February 23, 2010 at 3:19pm.

Find the product.

(2y + 2z)(2y - 3z)

- algebra -
**Reiny**, Tuesday, February 23, 2010 at 4:24pmDidn't realize that I had been away from education this long.

What in the world in the carrot function ??

BTW, to expand

(2y + 2z)(2y - 3z) in the ancient mathematical way is

4y^2 - 9z^2 after I realized I was dealing with the difference of square pattern.

- algebra -
**colin**, Tuesday, February 23, 2010 at 4:28pmIts this symbol^ the computer on our webassign online doesn't recognize it so we need to replace that symbol^with a number so thats where I am lost

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