The expression x4+8x2+16 can be factorized as:
(x2+x+16)2
(x2+x+1)2
(x2+4)2
(x2+x−4)(x2−x+4)
Step 1:- The expression x4+8x2+16, Substitute x2 as a
Step 2:- a2+8a+16=(a+4)2
Step 3:- Putting the value of a as x2
The expression x4 + 8x2 + 16 can be factorized as