Ответ:
n(n - 1)(n + 1)(n + 3)
Объяснение:
n^4 + 3n^3 - n^2 - 3n = n^4 - n^2 + 3n^3 - 3n = n^2(n^2 - 1) + 3n(n^2 - 1) = (n^2 - 1)(n^2 + 3n) = n(n - 1)(n + 1)(n + 3)
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Ответ:
n(n - 1)(n + 1)(n + 3)
Объяснение:
n^4 + 3n^3 - n^2 - 3n = n^4 - n^2 + 3n^3 - 3n = n^2(n^2 - 1) + 3n(n^2 - 1) = (n^2 - 1)(n^2 + 3n) = n(n - 1)(n + 1)(n + 3)