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
There are 4 real roots and 2 complex roots. The 4 real roots lie between -2 and +3.
as suggested by Mr. Pursley.
See also example: