Josh: Log(3x)+4log(5y)-3log(4z) into single log please.
Josh: Log(3x)+4log(5y)-3log(4z) into single log please.
Here are the log identities - you try to work it out yourself. Post again after you have given it your best shot.
http://en.wikipedia.org/wiki/List_of_logarithmic_identities
http://www.mathsisfun.com/algebra/exponents-logarithms.html
+118654 
