Question 998124
Real coefficients mean that complex roots are in conjugate pairs.
{{{F(x)=(x-1)(x+i)(x-i)(x-(-3+i))(x-(-3-i))}}}
{{{F(x)=(x-1)(x^2+1)(x^2+6x+10)}}}
{{{F(x)=(x^3-x^2+x-1)(x^2+6x+10)}}}
{{{F(x)=x^5+5x^4+5x^3-5x^2+4x-10}}}