SOLUTION: How do you solve this? log(x+4)+log(x)=9

Question 810322: How do you solve this?
log(x+4)+log(x)=9
Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!

If your base chosen is 3, then form the exponential equivalent to the equation,

or
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

Make the substitution:

Use quadratic formula

The answer looks pretty strange. I
think my method is OK, but the results
are a little odd
I would get another opinion

RELATED QUESTIONS
how do you solve 9 log 10... (answered by lwsshak3)
How do you solve this equation? Log base 3 x+ Log base 3... (answered by ankor@dixie-net.com)
How do I solve this simultaneous logarithm. log (x-4)+ 2 log y = log 16 log x + log y = (answered by stanbon)
How do you solve this exactly? log(x+20)-log(x+2)=log... (answered by bucky)
How do you solve this problem? condensing log x + log (x2 -121) - log9 - log (x -11) (answered by josmiceli)
how do you solve log base 4 (log base 3 (log base 2 of X)) = 0?? (answered by stanbon)
how do you solve logarithmic equation log(x+9)= 1 - log... (answered by stanbon)
How do I solve for the variable {{{ log (x+4) + log (x) = 9... (answered by stanbon)
how do you solve log x + log (3x + 5)=... (answered by savvyhush23,nerdybill)