Question Number 64175 by harish kumar last updated on 15/Jul/19
$${m}^{\mathrm{3}} \:−\mathrm{4}{m}\: \\ $$
Commented by Prithwish sen last updated on 15/Jul/19
$$\mathrm{m}\left(\mathrm{m}^{\mathrm{2}} −\mathrm{4}\right)\:=\:\mathrm{m}\left(\mathrm{m}−\mathrm{2}\right)\left(\mathrm{m}+\mathrm{2}\right) \\ $$