Asked by Anonymous
If 142 n =47ten find value of n
Answers
Answered by
mathhelper
1(n^2) + 4n + 2 = 47
n^2 + 4n - 45 = 0
(n + 9)(n - 5) = 0
x = -9 or n = 5
assuming that the base must be a whole number, n = 5
n^2 + 4n - 45 = 0
(n + 9)(n - 5) = 0
x = -9 or n = 5
assuming that the base must be a whole number, n = 5