SOLUTION: Solve for n log n + log(n+3)is equal to 2

Algebra.Com
Question 1036195: Solve for n
log n + log(n+3)is equal to 2

Answer by LinnW(1048)   (Show Source): You can put this solution on YOUR website!
log n + log(n+3) = 2
log(n(n+3)) = 2
If we are working with log base 10,
log(n(n+3)) = log(100), since log(100) = 2
So n(n+3) = 100
n^2 + 3n = 100
add -100 to each side
n^2 + 3n - 100 = 0
By quadratic formula
n =
n =

RELATED QUESTIONS

Solve for N Log base 4 (Log base 3 (log base 2... (answered by solver91311)
What is the value of the given expression: log sq.rt.(m^3/n) a. 1/2 log m - log n (answered by Jk22)
Solve the equation:... (answered by LinnW)
3 ( log 5 - log 3 ) - ( log 5 - 2 log 6 ) = 2 - log n , find n. (answered by dkppathak)
3 ( log 5 - log 3 ) - ( log 5 - 2 log 6 ) = 2 - log n , find n. (answered by nerdybill)
Solve for n. 2log n-log (n-1)=... (answered by fractalier)
log((n-2)^3{n-5}/n^2) (answered by Fombitz)
Log M-3 log... (answered by stanbon)
n= log(13/3)/log(1+0.08/12) solve for... (answered by Alan3354)