Precalculus Examples

$P (x) = 3 x^{7} + 7 x - 5 x^{4} - 2 x^{3} + 1$

Step 1

Set $3 x^{7} + 7 x - 5 x^{4} - 2 x^{3} + 1$ equal to $0$ .

$3 x^{7} + 7 x - 5 x^{4} - 2 x^{3} + 1 = 0$

Step 2

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

$x \approx - 0.14339705$

Step 3