## Algebra: A Combined Approach (4th Edition)

$\log_{x}$ $25=2$ is transformed into $25=x^{2}$ using logarithmic rules. Now solving $x^{2}=25$: $x^{2}=25$ $x^{2}=5^{2}$ $\sqrt {x^{2}}=\sqrt {5^{2}}$ $x=5$ Therefore, the solution set is {5}.