Answer
$5m-7+\frac{10m}{m^2-2} $
Work Step by Step
Step 1. Rewrite and factor the numerator as $5m^3-7m^2+14=5m^3-10m+10m-7m^2+14=5m(m^2-2)-7(m^2-2)+10m=(m^2-2)(5m-7)+10m$
Step 2. We have $\frac{5m^3-7m^2+14}{m^2-2}=\frac{(m^2-2)(5m-7)+10m}{m^2-2}=5m-7+\frac{10m}{m^2-2} $