Revise how to simplify algebra using skills of expanding brackets and factorising expressions with this BBC Bitesize GCSE Maths Edexcel guide.

Learn about and revise how to simplify algebra using skills of expanding brackets and factorising expressions with GCSE Bitesize AQA Maths.

When any variables are changed, the results of all the matching expressions are updated immediately—so you can use variables to update a host of expressions at the same time, rather than going ...

It’s like magic, but you know, still maths. This isn’t just for your basic 2+2=4 scenarios (although it will still answer that). Math Notes brings in the big guns from the scientific calculator world, ...

Quadratic equations are polynomials, meaning strings of math terms. An expression like “x + 4” is a polynomial. They can have ...

Apple improved the Math Notes feature in iOS 26 and iPadOS 26, allowing users to input equations to create graphs in three dimensions. Math Notes ...

Hilbert's 17th problem concerns expression of polynomials on Rn as a sum of squares. It is well known that many positive polynomials are not sums of squares; see [Re], [D'A] for excellent surveys. In ...