Revision as of 16:26, 16 September 2011 by Negativebplusorminus(talk | contribs)(Created page with "If <math>x+y=z</math>, then find <math>x^5+y^5+5xy(x^3+y^3)+10x^2y^2(x+y)</math> in terms of <math>z</math>. <noinclude?Category: Problem of the Day<noinclude>")