Precalculus Examples

$\log_{7} (7^{4 x})$

Step 1

Expand $\log_{7} (7^{4 x})$ by moving $4 x$ outside the logarithm.

$4 x \log_{7} (7)$

Step 2

Logarithm base $7$ of $7$ is $1$ .

$4 x \cdot 1$

Step 3

Multiply $4$ by $1$ .

$4 x$