Precalculus Examples

$\log_{2} (5 x^{2})$

Step 1

Rewrite $\log_{2} (5 x^{2})$ as $\log_{2} (5) + \log_{2} (x^{2})$ .

$\log_{2} (5) + \log_{2} (x^{2})$

Step 2

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

$\log_{2} (5) + 2 \log_{2} (x)$