Precalculus Examples

$f (x) = 2 x^{3} - 6 x + 10 x - 3$

Step 1

Set $2 x^{3} - 6 x + 10 x - 3$ equal to $0$ .

$2 x^{3} - 6 x + 10 x - 3 = 0$

Step 2

Solve for $x$ .

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Step 2.1

Add $- 6 x$ and $10 x$ .

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

Step 2.2

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

$x \approx 0.62684527$

Step 3