Respuesta :

Answer:

x^8 - 6561

= (x^4 + 81)(x^4 - 81) .... one of these can't be factored further, but we have another difference of squares!

= (x^4 + 81)(x² + 9)(x² - 9)

= (x^4 + 81)(x² + 9)(x + 3)(x - 3) .... this is your final answer