# How do you simplify n^3-n^2?

Factor and $\textcolor{red}{{n}^{2}}$ out of each term giving:
${n}^{3} - n {2}^{2} \implies \left(\textcolor{red}{{n}^{2}} \cdot n\right) - \left(\textcolor{red}{{n}^{2}} \cdot 1\right) \implies \textcolor{red}{{n}^{2}} \left(n - 1\right)$