This proves the irreducibility of, since if it were reducible, one of its factors would have to have free term equal to, so it would have to have a root with absolute value .
Ito ay nagpapatunay sa irreducibility ng, Dahil kung ito ay maaaring bawasan, ang isa sa mga kadahilanan nito ay mayroon na magkaroon ng libreng kataga katumbas sa, Kaya ito would may sa may ugat na may absolute value .