In a boon to algebra students everywhere, a professor at Carnegie Mellon University has devised a simpler and more efficient way to solve problems involving the quadratic equation. The new method was ...

Practice solving a quadratic equation ahead of your National 5 Maths exam with this interactive maths quiz. Looking for more on solving a quadratic equation? Check out our National 5 Maths guide.

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 ...