Question

which of the following is factor of x^4 -256​

Answer 1

Answer:

(x- 4 ) ^4 is the right answer.

hope you agree

Answer 2

Answer:

(x² + 16), (x + 4) and (x - 4) are the factors of x⁴ - 256

Step-by-step explanation:

x⁴ - 256

(x²)² - (16)²

( x² + 16 )( x² - 16 ).........a²-b² = (a+b)(a-b)

(x² + 16)(x² - 4²)

(x² + 16)(x + 4)(x - 4)