Working with multi-variable expressions is a key concept in algebra that involves manipulating expressions containing two or more variables. This video offers a detailed guide on understanding and ...
To expand a bracket means to multiply each term in the bracket by the expression outside the bracket. For example, in the expression \(3(m + 7)\), multiply both \(m\) and 7 by 3, so: \(3(m + 7) = 3 ...
Expanding brackets means multiplying everything inside a bracket by the term or expression immediately in front of the bracket. For example, in the expression \(3(m+7)\)both \(m\) and 7 must be ...