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Mathematics 7 Online
OpenStudy (anonymous):

simplify: (2)log5 (12)-log5 (12)-log5 (8)-(2)log5(3)

OpenStudy (anonymous):

the 5... is that log base 5? is that what you are saying?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

ok. Because they all have the same base you can do some simplifying through some logarithmic laws. First, if there is a coefficient in front of the log it is the same as...\[2\log_{5} 12\rightarrow \log_{5} 12^{2}\]Do you see how the coefficient can become the power? Do all of these first.

OpenStudy (anonymous):

do not do it for the - sign tho. meaning don't say that is the same as -1, even tho it is, you'll see why here in a minute.

OpenStudy (anonymous):

if you see a log with all the same bases and they are being subtracted that is the same as...\[\log_{5} x-\log_{5} y-\log_{5}z \rightarrow \log_{5} (x \div y \div x)\]

OpenStudy (anonymous):

i got log5(1)

OpenStudy (anonymous):

I got something different.

OpenStudy (anonymous):

log(144/12/8/9)

OpenStudy (anonymous):

log5 (1/6)

OpenStudy (anonymous):

Thats what I got

OpenStudy (anonymous):

Let me know if I'm wrong, its possible

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