6(n-6)(n-5)-(n-1)n=06(n^2 - 11n + 30) - (n^2 - n) = 06n^2 - 66n + 180 - n^2 + n = 05n^2 - 65n + 180 = 0n^2 - 13n + 36 = 0(n - 9)(n - 4) = 0
Ответ: n1 = 9, n2 = 4.
6(n-6)(n-5)-(n-1)n=0
6(n^2 - 11n + 30) - (n^2 - n) = 0
6n^2 - 66n + 180 - n^2 + n = 0
5n^2 - 65n + 180 = 0
n^2 - 13n + 36 = 0
(n - 9)(n - 4) = 0
Ответ: n1 = 9, n2 = 4.