Precalculus Examples

$3 - \log (2) - 2 \log (5)$

Simplify $- 2 \log (5)$ by moving $2$ inside the logarithm.

$3 - \log (2) - \log (5^{2})$

Raise $5$ to the power of $2$ .

$3 - \log (2) - \log (25)$

The result can be shown in multiple forms.

Exact Form:

$3 - \log (2) - \log (25)$

Decimal Form:

$1.30102999 \dots$