Math Problem

I had an interesting Algebra problem the other day. The funny thing is I couldn't find any solutions online for it. What amazed me though is I posted my question via "Yahoo Answers" and received the answer within minutes. The question was, how do I simplify

negative x to a negative 2 exponent
-x^-2

I found out that since -x is being square, this will make the x positive. Here is a link to the solution:
http://au.answers.yahoo.com/question/index?qid=20080602230130AAjgZnC&r=w