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5 log (base 7) x - 2 log (base 7) x
 Jan 31, 2014
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Quote:

5 log (base 7) x - 2 log (base 7) x



since the log bases are the same you can use the properties of logarithms

a log(x) = log(x^a)

log(y) - log(x) = log(y/x)

using both of these you get

log(base 7, (x^5)/(x^2)) = log(base 7, x^3)
 Jan 31, 2014

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