Question

упростіть вираз 2/n+2 - n+5/n²-4. -. 3n-1/2n -4
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Answer 1

$\frac{2}{n} + 2 - n + \frac{5}{n} {}^{2} - 4 - 3n - \frac{1}{2} n - 4 = \frac{2}{n} - 6 - \frac{9}{6} n + \frac{25}{n {}^{2} } = \frac{4n - 12n {}^{2} - 9n {}^{3} + 50}{2n {}^{2} } = \frac{ - 9n {}^{3} - 12n {}^{2} + 4n + 50}{2n {}^{2} }$