Question

list all the possible real roots for x^3-7x^2-x+7=0 then solve each of the polynomial equations over the complex numbers. please explain this to me..

Answer 1

factor the equation given.
here is a hint:
(x-7)(x+?)(x+?)

Answer 2

thanks

Answer 3

did that help? ^_^

Answer 4

yeah because I had no Idea how to set it up'

Answer 5

good!