Precalculus Examples

$4 (\frac{x}{2}) - 3$

Step 1

Factor $2$ out of $4$ .

$2 (2) \frac{x}{2} - 3$

Step 2

Cancel the common factor.

$2 \cdot 2 \frac{x}{2} - 3$

Step 3

Rewrite the expression.

$2 x - 3$

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