Save guides, add subjects and pick up where you left off with your BBC account. An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra.

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

Save guides, add subjects and pick up where you left off with your BBC account. The golden rule when solving an equation is to always repeat what you do to one side of the = sign on the other side.

These values describe the trend between car age and price, allowing you to create a prediction equation. In this example, you’re using simple linear regression, since you’re working with just ...