Question

the expression x^4+4 can be factorized as​

Answer 1

Answer:

(x^2+2+2x)(x^2+2-2x)

Answer 2

(x^2+2)^2-4x^2

(x^2+2)^2-(2x)^2

(x^2+2-2x)(x^2+2+2x)