Learn how to use inverse operations to find the value of an unknown variable in an equation, so that the value is true.

Math teachers have stymied students for hundreds of years by sticking goats in strangely shaped fields. Learn why one grazing goat problem has stumped mathematicians for more than a century.

Mathematicians have devised a new way to solve higher-order polynomial equations, ushering in a 'dramatic revision of a basic chapter in algebra'.

A mathematician at Carnegie Mellon University has developed an easier way to solve quadratic equations. Here's the secret.