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Simplifying Rational Expressions

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equation

asked Dec 31, 2017 in ALGEBRA 1 by anonymous
reshown Dec 31, 2017 by bradely

1 Answer

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(n^2 - 9) / (n^3 + 27)   =   (n^2 - 3^2) / (n^3 + 3^3)

                                   =   [ (n + 3)(n - 3) ] / [ (n + 3)(n^2 -3n + 3^2) ]

                                   =   (n - 3) / (n^2 - 3n + 3^2)

answered Dec 31, 2017 by homeworkhelp Mentor

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