Answer Happy

Can I get help with parts (c) and (d) please!!
(6) (a) List all polynomials of degree 2 in Z₂[x]. (b) List all polynomials of degree 3 in Z₂[x]. (c) List all polynomials of degree 2 in Z3 [x]. (d) List all polynomials of degree 3 in Z3[x].