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

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

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 ...

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

A method is given for estimating the coefficients of a single equation in a complete system of linear stochastic equations (see expression (2.1)), provided that a number of the coefficients of the ...