Precalculus Examples

$9 x^{4} - 25 x^{3} - x^{2} + 19 = 0$

Step 1

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

$x \approx 1.04759502, 2.71301307$

Step 2

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