The real trick is nothing more than the distributive property. (2)(16) = (2)(15 + 1) "Mathematical properties" are just hacks that become popular because th

The real trick is nothing more than the distributive property. (2)(16) = (2)(15 + 1) "Mathematical properties" are just hacks that become popular because they generalize. [0] [0] http://slatestarcodex.com/2014/03/03/do-life-hacks-ever-reach-fixation/ http://slatestarcodex.com/2014/03/03/do-life-hacks-ever-reac...