Question Number 64240 by harish kumar last updated on 16/Jul/19
Answered by Tanmay chaudhury last updated on 16/Jul/19
$$\mathrm{4}{x}^{\mathrm{2}} −{y}^{\mathrm{2}} +\mathrm{2}{x}−\mathrm{2}{y}−\mathrm{3}{xy} \\ $$$$\mathrm{4}{x}^{\mathrm{2}} −\mathrm{3}{xy}−{y}^{\mathrm{2}} +\mathrm{2}\left({x}−{y}\right) \\ $$$$=\mathrm{4}{x}^{\mathrm{2}} −\mathrm{4}{xy}+{xy}−{y}^{\mathrm{2}} +\mathrm{2}\left({x}−{y}\right) \\ $$$$=\mathrm{4}{x}\left({x}−{y}\right)+{y}\left({x}−{y}\right)+\mathrm{2}\left({x}−{y}\right) \\ $$$$=\left({x}−{y}\right)\left(\mathrm{4}{x}+{y}+\mathrm{2}\right)\:\:{Tanmay}\:\mathrm{16}.\mathrm{07}.\mathrm{19} \\ $$