Solving by completing the square - Higher Some quadratics cannot be factorised. An alternative method to solve a quadratic equation is to complete the square.

Quadratic expressions - Intermediate & Higher tier – WJEC Solving quadratic equations Quadratics in algebra have many and varied uses, most notable of which is to describe projectile motion.

Here’s what you’ll learn when you read this story: A mathematician at Carnegie Mellon University has developed an easier way to solve quadratic equations. The mathematician hopes this method ...