Precalculus Examples

$y = 3 x^{4} + 16 x^{3} - 18 x^{2} + 5$

Step 1

Set $3 x^{4} + 16 x^{3} - 18 x^{2} + 5$ equal to $0$ .

$3 x^{4} + 16 x^{3} - 18 x^{2} + 5 = 0$

Step 2

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

$x \approx - 6.28175653, - 0.4508054$

Step 3