Question

Find the roots of this quartic polynomial

Answer 1

Solve this equation
x^4 +4x^3 + 5x^2 + 2x -2 =0
one root being
-1 + i

Answer 2

Definately second root is goinfg to be :-
-1 -i

Answer 3

well whats the quadratic that has those 2 roots...?

Answer 4

Wait

Answer 5

x^2 +2x +2

Answer 6

ok... so then do some polynomial division or synthetic division to find the other quadratic....

then find the roots of it

Answer 7

does that make sense...?

Answer 8

I am doing it

Answer 9

sorry

Answer 10

I got x^2 + 2x +1

Answer 11

close... I got x^2 +2x - 1