x5+3x4+2x3-x2-3x-2=0

+

-

C

Total

2x4+x2+2x-3=0

+

-

C

Total

2x6+3x4+2x2+9=0

+

-

C

Total

x6-3x5+x4-x3-6x2=0

+

-

C

Total