Mulitplying out (expanding) brackets is one of the fundamental concepts of the mathematics branch of algebra, with applications all maths. It is used to manipulate an expressions into a desired form, whether it be to simplify the expression or to find a value or exprssion of an unknown term. br br In this video we explore some theory and looka at a geometric justification before looking at several examples. br br I offer maths tuition over skype. If you need help to pass your maths exams, or maybe you need some maths knowledge for a course your doing. Whatever the case, email me for more information at: br br Ianicolsonmaths@outlook.