Precalculus Examples

$\sqrt{9 u - 4} = \sqrt{7 u - 20}$

Step 1

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

No solution

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