## Simplifying Logarithmic Expressions

There are several Log rules we can use to simplify logarithmic expressions. These are:

These can all be used from right to left or left to right.

We may be asked:

Simplify

Express as a single log:

If, write in terms of x:

Ifsimplify

If x=log-4 u, find in terms of x, log-u 8