SOLUTION: Please help me solve the following problem: Write log ({{{x^2}}} -9)- log({{{x^2}}} +7x +12) as a single logarithm

Question 149413: Please help me solve the following problem:
Write log ( -9)- log( +7x +12) as a single logarithm
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Write log ( -9)- log( +7x +12) as a single logarithm
----------------
= log[(x^2-9)/(x^2+7x+12)]
= log[(x+3)(x-3)/(x+3)(x+4)]
= log[(x-3)/(x+4)]
==========================
Cheers,
Stan H.
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