Question

descompuneti in factori ireductibili: X la puterea 4+X LA A 2+1

Answer 1

[tex]x^4+x^2+1 = x^4+2x^2-x^2+1 = (x^4+2x^2 +1) -x^2 = \\\;\\ [(\it x^2)^2 +2x^2+1] -x^2 =(x^2+1)^2-x^2= (x^2+1-x)(x^2+1+x)= \\\;\\ (x^2-x+1)(x^2+x+1)[/tex]