SOLUTION: Solve log(x) + log(x-3)=1
Algebra
->
Algebra
->
Logarithm Solvers, Trainers and Word Problems
-> SOLUTION: Solve log(x) + log(x-3)=1
Log On
Ad:
Algebra Solved!™
: algebra software solves algebra homework problems with step-by-step help!
Ad:
Algebrator™
solves your algebra problems and provides step-by-step explanations!
Algebra: Logarithm
Solvers
Lessons
Answers archive
Quiz
In Depth
If you need
immediate math help from PAID TUTORS right now
, click here
. (paid link)
Click here to see ALL problems on logarithm
Question 62959
:
Solve log(x) + log(x-3)=1
Answer by
stanbon(48535)
(
Show Source
):
You can
put this solution on YOUR website!
Solve log(x) + log(x-3)=1
log[x(x-3)]=1
x^2-3x=10^1
x^2-3x-10=0
(x-5)(x+2)=0
x=5 or x=-2
x-2 is an extraneous solution
because log(-2) does not exist.
Final Solution: x=5
Cheers,
Stan H.