Algebra

Expanding is the process of multiplying out terms in brackets or expressions with variables.
To expand (a + b)², multiply each term in the brackets and add them together: (a + b)² = a² + 2ab + b².
To expand (a - b)³, use the formula: (a - b)³ = a³ - 3a²b + 3ab² - b³.
Expand expressions with more than two terms using the distributive property.
Expand expressions with multiple sets of brackets by working from the innermost brackets outwards.
Exam Tip: Practice expanding a variety of expressions to become fluent and identify common patterns.

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