9000141510

Assuming $x\in \mathbb{N}$, $n\ge 2$, find the solution set of the following inequality. $$\left(\genfrac{}{}{0.0pt}{}{x}{x-2}\right)\cdot \left(\genfrac{}{}{0.0pt}{}{x}{2}\right)-11\cdot \left(\genfrac{}{}{0.0pt}{}{x}{2}\right)+28<0$$