Question: what is the most complicated math formula?
Answer: 10 of the Toughest Math Problems Ever Solved. Earlier this week, a math puzzle that had stumped mathematicians for decades was finally solved. It's called a Diophantine Equation, and it's sometimes known as the “summing of three cubes”: Find x, y, and z such that x³+y³+z³=k, for each k from 1 to 100.