Commutative algebra and graph theory are two vibrant areas of mathematics that have grown increasingly interrelated. At this interface, algebraic methods are applied to study combinatorial structures, ...

MATT: Welcome to The Maths Show with me yourhost, Matt Parker. Today talking about Algebra.Specifically substituting values into formulae, MATT: with four amazing tricks maths teachers can’tresist, ...

Removing brackets is to multiply the term outside the brackets by each term inside - also known as the distributive law. Use FOIL to remove a pair of brackets then simplify by collecting like terms.