<div id="comment:0"></div> From https://groups.google.com/forum/?fromgroups=#!topic/sage-devel/d25Dkwc0loA ``` sage: f = x*(x+1) sage: g = x^2 + x sage: bool(f == g) True sage: bool([f] == [g]) True sage: bool(matrix([f]) == matrix([g])) False ``` Component: **symbolics** Keywords: **equality, simplify, matrix** _Issue created by migration from https://trac.sagemath.org/ticket/14277_