Precalculus Examples

$\log_{5} (5^{- 5 x - 9})$

Step 1

Expand $\log_{5} (5^{- 5 x - 9})$ by moving $- 5 x - 9$ outside the logarithm.

$(- 5 x - 9) \log_{5} (5)$

Step 2

Logarithm base $5$ of $5$ is $1$ .

$(- 5 x - 9) \cdot 1$

Step 3

Multiply $- 5 x - 9$ by $1$ .

$- 5 x - 9$