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posted by mema on Friday, June 3, 2011 at 11:09pm.
express as an equivalant expression that is a single logarithmic and simplfy if poissible loga(2x+10)-loga(x^2-25)
loga(2x+10)-loga(x^2-25) = log_{a} (2(x+5))/((x+5)(x-5)) = log_{a} (2/(x-5)) , x ≠ ±5
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