Factorize - Q.c) x 4 + x 2 + 1 Share with your friends Share 1 Shruti Tyagi answered this Dear student, We have, x4+x2+1adding and subtracting x2=x4+x2+x2+1-x2=x4+2x2+1-x2=x2+12-x2 --[using a+b2=a2+b2+2ab]=x2+1+xx2+1-x --[using a2-b2=a+ba-b] Regards 2 View Full Answer