SOLUTION: Pleas help me with this problem! log3(x^2-1)-log3(x-1) instead of natural log, with the base being 10, it's 3.

SOLUTION: Pleas help me with this problem! log3(x^2-1)-log3(x-1) instead of natural log, with the base being 10, it's 3.

Algebra.Com

Question 602762: Pleas help me with this problem!
log3(x^2-1)-log3(x-1)
instead of natural log, with the base being 10, it's 3.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
simplify:
log3(x^2-1)-log3(x-1)
log3[(x^2-1)/(x-1)]
log3[(x+1)(x-1)/(x-1)]
(x-1) cancels out
=log3(x+1)
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