Algebra Examples

$x^{2} + 4 x = 21$

Step 1

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

$x = - 7, 3$

Step 2

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