Question

Using complete sentences, explain how you would factor completely x^9 –27.

Answer 1

Factor it out without and show your step.
When they want you to write complete sentences you basically explain your steps.

Answer 2

Since it's a difference of cubes. Use your difference of cubes formula.
(A+B)(A^2 -AB + B^2)

Answer 3

a=x b=3

Answer 4

@precal, a is actually x^3

Answer 5

yes, I stand corrected. Thanks