(a)What are the irreducible polynomials in:

(i)C[x]

(ii)R [x]

(iii)Z[x]

in terms of the irreducibe ofZandQ[x]

(b) Factorize x^5 + 2x^4- 3x^2 - 4x -2 into irreducible in each of (i)Z[x], (ii)Q[x], (iii)R [x], (iv)C[x]

Can you give me some hints please?

Thank you very much