Precalculus Examples

$\log_{2} (4) (x^{2} - 4)$

Step 1

Logarithm base $2$ of $4$ is $2$ .

$2 (x^{2} - 4)$

Step 2

Apply the distributive property.

$2 x^{2} + 2 \cdot - 4$

Step 3

Multiply $2$ by $- 4$ .

$2 x^{2} - 8$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$