## Precalculus (6th Edition) Blitzer

Solution set = $\{3\}.$
$5^{x}=125\quad$ ...Recognize 125 as a power of 5 $5^{x}=5^{3}\qquad$... if $a^{m}=a^{n}$, then $m=n$ $x=3$ Solution set = $\{3\}.$