Which rational expression should be subtracted from (x2 + 6x + 8)/(x3 + 8) to get 3/(x2 - 2x + 4)

Which rational expression should be subtracted from $(x^{2} + 6 x + 8) / (x^{3} + 8) t o g e t 3 / (x^{2} - 2 x + 4)$

Matching exercise

Match the items on the right to the items on the left.

Step - 1

Step - 2

Step - 3