Factorising an algebraic expression Factorising an expression ... basic rules as working with other fractions. Determining the equation of a straight line The equation of a straight line can ...

An expression is a set of terms combined using the operations +, – , x or \( \div\), for example \(4x − 3\) or \(x^2 – xy + 17\). An equation states that two expressions are equal in value ...