The way to do it is divide (2x^{4} + 3x^{3} - x^{2} + 6x -10) by (x^{2} + 2) using long division or synthetic division and whatever you get is the answer.

The way to do it is divide (2x^{4} + 3x^{3} - x^{2} + 6x -10) by (x^{2} + 2) using long division or synthetic division and whatever you get is the answer.