Add Yahoo as a preferred source to see more of our stories on Google. Algebra often involves manipulating numbers or other objects using operations like addition and multiplication. Flavio ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Surprise: You can answer this question with modern algebra. Most folks who have been ...

You scrambled up a Rubik’s cube, and now you want to put it back in order. What sequence of moves should you make? Surprise: You can answer this question with modern algebra. You might remember ...