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Mathematics 22 Online
OpenStudy (anonymous):

can someone help with logarithms?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

\[\log_{2}5+\log_{2}(x^2-1)-\log_{2}(x-1) \]

OpenStudy (anonymous):

i need to simplify this equation, i know what the answer is, but i need to know the steps, the website gave me an answer but not the steps

OpenStudy (anonymous):

the sum of logarithms is the logarithm of the products

OpenStudy (anonymous):

so you can simplify that to log(5*(x^2-1)*(x-1))

OpenStudy (anonymous):

yes, and then what do i do with the subtraction...isn't that division?

OpenStudy (anonymous):

does it become...\[\log_{2} (5x^2-1)/(x-1)\]

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