Question

Factor completely. x3 - 8x2 - 2x + 16​

Answer 1

$x^3 -8x^2 -2x +16\\\\= x^2(x-8)-2(x-8)\\\\=(x-8)(x^2-2)\\\\=(x-8) \left(x+\sqrt 2 \right) \left(x - \sqrt 2\right)$

Answer 2

(x-8) (x^2 - 2) i hope this helps!