To do the method, begin by writing the two numbers you want to multiply at the top of two columns. In the left column, you ...

A grid can be used to expand double brackets. Every term in the first bracket must be multiplied by every term in the second bracket. One bracket may be multiplied by another bracket. This is ...

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 ...