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Mathematics 7 Online
OpenStudy (anonymous):

Write 5 log x + 4 log (x – 2) as a single logarithm.

OpenStudy (unklerhaukus):

use this \[\boxed{n\log_b x=\log_bx^n}\] then this \[\boxed{\log_b x+\log_by=\log_bxy}\]

OpenStudy (unklerhaukus):

what do you get after the first step?

OpenStudy (anonymous):

log x5(x – 2)4

OpenStudy (unklerhaukus):

log x^5(x – 2)^4 yes

OpenStudy (anonymous):

whats next?

OpenStudy (unklerhaukus):

well that is looking like a single logarithm to me

OpenStudy (unklerhaukus):

so your done \[\checkmark\]

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