Something so different from what I taught. I have no idea how to solve this.

NOTE: the exponents behind the z's are suppose to be -2.

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- December 18th 2009, 11:03 AMdeekay930Performing Operations?
Something so different from what I taught. I have no idea how to solve this.

**NOTE: the exponents behind the z's are suppose to be -2.** - December 18th 2009, 11:05 AMDinkydoe
Solve what actually?

I see no equation or a problem. Only two strings of variables I suppose? - December 18th 2009, 11:09 AMdeekay930
- December 19th 2009, 01:49 AMHallsofIvy
Did you notice that the x and z dependence of the first two terms are exactly the same? Combine them. If you were told "put the answers in descending order with regard to the x variable", since all three terms have , they can be in any order

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**NOTE: the exponents behind the z's are suppose to be -2.**