How to expand an expression

When you expand an expression, you get rid of those parentheses! to expand expressions. Multiply the term outside the parentheses by each term inside the parentheses. Then add those products.

1. How do we expand expressions?

How do we expand expressions?

In order to expand and simplify an expression, we need to multiply out the brackets and then simplify the resulting expression by collecting the like terms. Expanding brackets (or multiplying out) is the process by which we remove brackets. It is the reverse process of factorisation.