Precalculus Examples

$- x^{4} + 2 x + 3.12 = 0$

Step 1

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

$x \approx - 1.01961038, 1.58346995$

Step 2

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