GCSE Maths (AQA)

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Index Bracket Rule

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Number Structure and Calculation

Index Bracket Rule

3:57 Working with Indices
Spec N7 A4
Previous Index Division Rule Next Estimating Powers
  • When there are brackets involved in an index, a specific rule is used to multiply the bracket out.
  • The rule states that a to the power of x, all raised to the power of y, is equal to a to the power of x times y.
  • An example is given to illustrate this rule.
  • Any number squared is that number multiplied by itself.
  • The example shows how to simplify an expression using the rule.
  • The steps to simplify an expression are outlined.
  • Another example is given to demonstrate the steps.
  • The final answer is given in index form.

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