Question 721036
{{{(x-2i)^8}}}

{{{(x-2i)^2(x-2i)^2(x-2i)^2(x-2i)^2}}}

{{{(x^2-4ix-4)(x^2-4ix-4)(x^2-4ix-4)(x^2-4ix-4)}}}

{{{(x^4-8ix^3-24x^2+32ix+16)(x^4-8ix^3-24x^2+32ix+16)}}}

{{{x^8-16ix^7-112x^6+448ix^5+1120x^4-1792ix^3-1792x^2+1024ix+256}}}