Precalculus Examples

$3 x \ln (3 x)$

Step 1

Simplify $3 \ln (3 x)$ by moving $3$ inside the logarithm.

$x \ln ({(3 x)}^{3})$

Step 2

Apply the product rule to $3 x$ .

$x \ln (3^{3} x^{3})$

Step 3

Raise $3$ to the power of $3$ .

$x \ln (27 x^{3})$