Precalculus Examples

$\frac{5}{x + 9} + \frac{8}{x + 9}$

Step 1

Combine the numerators over the common denominator.

$\frac{5 + 8}{x + 9}$

Step 2

Add $5$ and $8$ .

$\frac{13}{x + 9}$

Enter YOUR Problem

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