Question 897370
Complex roots always come in complex conjugate pairs.
{{{f(x)=(x-(4+4i))(x-(4-4i))(x-4)^2}}}
{{{f(x)=(x^2-8x+32)(x^2-8x+16)}}}
{{{highlight(f(x)=x^4-16x^3+112x^2-384x+512)}}}