Question 298740
<pre><font size = 4 color = "indigo"><b>
log(2x+1)+log(x-1)

"Factoring out" a log from a sum changes the sum to a product:

log[(2x+1)*(x-1)]

and if you like you can "FOIL" out the product

log(2x<sup>2</sup>-x-1)

Edwin</pre>