Precalculus Examples

$\log (10^{x - 2})$

Step 1

Expand $\log (10^{x - 2})$ by moving $x - 2$ outside the logarithm.

$(x - 2) \log (10)$

Step 2

Logarithm base $10$ of $10$ is $1$ .

$(x - 2) \cdot 1$

Step 3

Multiply $x - 2$ by $1$ .

$x - 2$