Pre-Algebra Examples

$7 n^{2} - 2 n - 14 = 21$

Step 1

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

$n \approx - 2.09776959, 2.38348387$

Step 2

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