For tips on how to do this, look at Factorising quadratics and Factorisation of further quadratics in this guide. For (\({x}\) + 2)(\({x}\) + 7) to equal 0 either the first or second bracket must be ...

Simultaneous equations Simultaneous examples with no common coefficients Creating and solving simultaneous equations Simultaneous equations with linear and quadratic Solving simultaneous equations ...

Google's latest animated Doodle celebrates the quadratic equation, transforming its homepage into an interactive classroom.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In mathematics, a quadratic is a type of problem that deals with a variable multiplied by itself ...