Precalculus Examples

$\log (x) + \log (15)$

Step 1

Use the product property of logarithms, $\log_{b} (x) + \log_{b} (y) = \log_{b} (x y)$ .

$\log (x \cdot 15)$

Step 2

Move $15$ to the left of $x$ .

$\log (15 x)$