03-03-2015
Mathematics

contestada

simplify the rational expression: 3/5n+3 + 3n/n+6

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Panoyin Panoyin

03-03-2015

3 + 3n = 3(n + 6) + 3n(5n + 3) = 3n + 18 + 15n² + 9n =
5n + 3 n + 6 (5n + 3)(n + 6) (5n + 3)(n + 6) 5n² + 33n + 18
15n² + 12n + 18 = 3n² + 4n + 1
5n² + 33n + 18 n² + 11n + 1

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