Quadratic equations are polynomials, meaning strings of math terms. An expression like “x + 4” is a polynomial. They can have ...

A new mathematical brain teaser asks people to make the equation true by moving two matchsticks in under 10 seconds. The puzzle will determine if you are in the top two percent.

A mathematical brain teaser challenges people to solve the matchstick equation in just two moves. The puzzle uses matchsticks to create an equation that shows 3 + 3 = 8 and instructs viewers to make ...