Pre-Algebra Examples

$x^{2} + 8 - 9 = 0$

Step 1

Subtract $9$ from $8$ .

$x^{2} - 1 = 0$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x = - 1, 1$

Step 3

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