To remove brackets is to multiply the term outside the brackets by each term inside. Factorising an expression is to write it as a product of its factors. Check your understanding of the process with ...

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the ...

To factorise this expression, look for the HCF of \(6x\)and 9 which is 3. To factorise, write down the HCF and then begin a set of brackets. Find the missing terms in the brackets by dividing each of ...

Learn how to factor polynomials by grouping. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, ...