Precalculus Examples

$\frac{7}{\frac{x}{x + 7}}$

Step 1

Multiply the numerator by the reciprocal of the denominator.

$7 \frac{x + 7}{x}$

Step 2

Combine $7$ and $\frac{x + 7}{x}$ .

$\frac{7 (x + 7)}{x}$

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