# SOLUTION: I am having trouble with this toic can someone please help me. Solve logarithmic equation log x + log(x+9) = 1 Thank you inadvance for your help.

Algebra ->  Algebra  -> Logarithm Solvers, Trainers and Word Problems -> SOLUTION: I am having trouble with this toic can someone please help me. Solve logarithmic equation log x + log(x+9) = 1 Thank you inadvance for your help.      Log On

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 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

 Question 115200: I am having trouble with this toic can someone please help me. Solve logarithmic equation log x + log(x+9) = 1 Thank you inadvance for your help.Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!using rules for logarithms, x(x+9)=10 ___ x^2+9x-10=0 factoring gives (x+10)(x-1)=0 REMEMBER : logarithms are NOT defined for negative numbers