Question

Which of the following is the complete list of roots for the polynomial function f(x)=(x^2+6x+8)(x^2+6x+13)?
–3 + 2i, –3 – 2i
–2, –4
–2, –4, –3 + 2i, –3 – 2i
–2, –4, –3 + 2i, 3 + 2

Answer 1

-2,-4,-3+2i,-3-2i