Precalculus Examples

$7 \log_{7} (4)$

Step 1

Rewrite $\log_{7} (4)$ as $\log_{7} (2^{2})$ .

$7 \log_{7} (2^{2})$

Step 2

Expand $\log_{7} (2^{2})$ by moving $2$ outside the logarithm.

$7 (2 \log_{7} (2))$

Step 3

Multiply $2$ by $7$ .

$14 \log_{7} (2)$