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posted by Jacob Friday, February 8, 2013 at 12:20am.
Rewrite the expression using positive exponents only. (Simplify your answer completely.) (x^3-y^3)(x^-3+y^-3)
(x^3-y^3)(x^-3+y^-3) = x^0 - x^-3y^3 + x^3y^-3 - y^0 = y^3/x^3 + x^3/y^3
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