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The answer? There is no "answer" There cannot be an answer because they are all different. In order to make calculations, the variables have to be the same. x squared, xy, y squared are the variables, and none of them match. Therefore your "answer" must look like this:
9x squared - 6xy + y squared - 81.
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Earn +20 ptsQ: What is 9x squared minus 6xy plus y squared minus 81?
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