GCSE Maths (AQA)

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Algebra Notation, vocabulary and manipulation

Expanding Single Brackets

3:21 Use and interpret algebraic notation, including: ab in place of a × b; 3y in place of y + y + y and 3 × y; a² in place of a × a, a³ in place of a × a × a, a²b in place of a × a × b; a/b in place of a ÷ b; coefficients written as fractions rather than as decimals; brackets
Spec A1
Previous Adding & Subtracting Terms Next Expanding Squared Brackets
  • Expanding brackets is the process of removing brackets by writing the multiplications individually
  • To expand a bracket, multiply each term inside the bracket by the number or variable outside the bracket
  • The expanded form of 2x + 1 is 2x + 1
  • The expanded form of 3(2x + 5) is 6x + 15
  • The expanded form of -2x(7 - xy) is -14x + 2x^2y

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questions for Notation, vocabulary and manipulation