Pre-Algebra Examples

$\frac{1}{x - 9} + \frac{1}{x + 9} = \frac{18}{x^{2} - 81}$

Step 1

Graph each side of the equation.

$y = \frac{1}{x - 9} + \frac{1}{x + 9}$

$y = \frac{18}{x^{2} - 81}$

Step 2

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