Question

find the x intercept of f(x)= 2x^3-15x^2+24x+19?

Answer 1

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

Answer 2

x~~-0.571767

Answer 3

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

Answer 4

Got it?

Answer 5

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

Answer 6

http://en.wikipedia.org/wiki/Horner_scheme#Polynomial_root_finding

Answer 7

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

Answer 8

alright, thanks a lot!

Answer 9

You are welcome

Answer 10

By the way, whats your present level?

Answer 11

I mean is horner scheme in the scope of your syllabus

Answer 12

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