Precalculus Examples

$- \log (25)$

Step 1

Rewrite $\log (25)$ as $\log (5^{2})$ .

$- \log (5^{2})$

Step 2

Expand $\log (5^{2})$ by moving $2$ outside the logarithm.

$- (2 \log (5))$

Step 3

Multiply $2$ by $- 1$ .

$- 2 \log (5)$