Precalculus Examples

$\frac{20}{2} \cdot (2 + 20)$

Step 1

Divide $20$ by $2$ .

$10 \cdot (2 + 20)$

Step 2

Add $2$ and $20$ .

$10 \cdot 22$

Step 3

Multiply $10$ by $22$ .

$220$

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