Factor the polynomial expression x6 − x3 − 20.

I think that the factor is 20

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

your question is incomplete, write all the numbers in the sequence that it tells you.  

step-by-step explanation: