## anonymous 5 years ago find the x intercept of f(x)= 2x^3-15x^2+24x+19?

1. anonymous

$1/2 (5-(3 3^(2/3))/(11-2 \sqrt(10))^(1/3)-(3 (11-2 \sqrt(10)))^(1/3))$

2. anonymous

x~~-0.571767

3. anonymous

x = 1/2 (5-(3 3^(2/3))/(11-2 sqrt(10))^(1/3)-(3 (11-2 sqrt(10)))^(1/3))

4. anonymous

Got it?

5. anonymous

just tried, but i still dont get it.. what is the formula you used?

6. anonymous
7. anonymous

This link will take you directly to the root finding portion, no need to scroll any further

8. anonymous

alright, thanks a lot!

9. anonymous

You are welcome

10. anonymous

By the way, whats your present level?

11. anonymous

I mean is horner scheme in the scope of your syllabus

12. anonymous

No its not.. but i ll try find some other websites to guide me through.. thanks for the help anyway!