A UNSW Sydney mathematician has discovered a new method to tackle algebra's oldest challenge—solving higher polynomial equations.

Find out how to solve simultaneous equations using a graph in this Bitesize KS3 maths video.

Higher order polynomial equations play a fundamental role in both math and science, assisting in everything from writing computer programs to describing the movement of planets.

Just point your phone's camera at an equation and PhotoMath automatically comes up with the solution. Once PhotoMath reads an equation, it gives you the answer alongside a step by step guide to ...