CALCULUS
posted by Anonymous .
Use Newton's method to find all the roots of the equation correct to eight decimal places. Start by drawing a graph to find initial approximations. x^6  x^5  6x^4  x^2 + x + 8 = 0

Hint:
There are 4 real roots and 2 complex roots. The 4 real roots lie between 2 and +3. 
Also, read:
http://www.math.montana.edu/frankw/ccp/calculus/numerical/newton/learn.htm
as suggested by Mr. Pursley.
See also example:
http://www.jiskha.com/display.cgi?id=1288905148