Question 1017814
Try using polynomial division if you do not have the formula already memorized for Difference of Cubes.


You want some factor being cubed OR two factors to give you 8.

<pre>
             x^2      2x         4

      ----------------------------------------------------
x-2   |      x^3      0*x^2       0*x      -8
      |      x^3      -2x^2
             ---------------
              0      2x^2        0*x
                     2x^2        -4x
                    -----------------
                       0        4x         -8
                                4x         -8
                               ----------------
                                 0         0
</pre>

{{{x^3-8=highlight((x-2)(x^2+2x+4))}}}