Find a rational zero of the polynomial function and use it to find all the zeros of the function. f(x) = x4 + 3x3 - 5x2 - 9x - 2

Question

yacoub1993 · Answer

$$A. {1, -2, -2 +\sqrt{3} , -2 -\sqrt{3} }$$
$$B. {-1, -2, -2 +\sqrt{5} , -2 -\sqrt{5} }	$$
$$C. {-1, 3, -2 +\sqrt{5} , -2 -\sqrt{5} }$$
$$D. {-1, 2, -2 + \sqrt{3}, -2 -\sqrt{3} }	$$

yacoub1993 · Answer

@ozzman77 Help Please

anonymous · Answer

im sorry its been a long time since i have done these types of problems nd i wouldnt want 2 give you the wrong info. so id have 2 say i dnt know this 1

yacoub1993 · Answer

ok thnxs

yacoub1993 · Answer

@austinL Help

yacoub1993 · Answer

@Easyaspi314

austinl · Answer

Okay.... I know a way that is EXTREMELY convoluted and rather difficult. It would take quite a while to explain as well....

yacoub1993 · Answer

ok try to shorthen it while explaining

austinl · Answer

Unfortunately it can't really be shortened. I can however link you to someone else giving the method I was gonna use.

austinl · Answer

http://math.stackexchange.com/questions/785/is-there-a-general-formula-for-solving-4th-degree-equations