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 ...

Factorising is the inverse of expanding brackets. The function machines below demonstrate this. Factorise 6t + 10. To factorise, look for a number which is a factor of both 6 and 10 (that is why it is ...