Question

The number of irreducible factors of x^4 - 256​

Answer 1

Step-by-step explanation:

your answer is

x= 4

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Answer 2

Answer: x^4 - 256

= (x^2)^2 -(4^2)^2

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

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

The number of irreducible factors is 3.