[x^5-2*x^4-4*x^3+24*x^2-4*x-24, \
x^5-x^4+2*x^2-2*x+2, \
x^5-x^4-2*x^3+10*x^2-9*x+9, \
x^5-2*x^4+6*x^3-12*x^2+10*x-12]