Algebra Examples

$\log (20)$

Step 1

Rewrite $\log (20)$ as $\log (2^{2} \cdot 5)$ .

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

Step 2

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

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

Step 3

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

$2 \log (2) + \log (5)$