Answer:
(x-3)(x^3-1)
(x - 3) (x - 1) (x^2 + x + 1)
Explanation:
x^3(x-3)-(x-3)=(x-3)(?)
Factor out ( x-3) on the left
(x-3)(x^3-1)=(x-3)(?)
This can be factored further since it is the difference of cubes
a^3 - b^3 = (a−b)(a^2+ab+b^2)
x^3 -1 = (x - 1) (x^2 + x + 1)