Question

what are the x intercepts : x^3 -9x^2 +27x -27

Answer 1

The question should be "what are the x-intercepts of y=x^3 -9x^2 +27x -27".
Anyways, all you need to do is to solve:
\[x^3 -9x^2 +27x -27=0.\]

Hint: Use the factorization I helped you earlier with.

Answer 2

Oh you haven't done that problem yet. I'll help you there, in your earlier post.

Answer 3

ok