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Negative numbers

  • + + makes +
  • + - makes -
  • - + makes -
  • - -makes+

Letters mulitplied together

  • abc means a x b x c
  • gn squared means g x n x n
  • (gn)squared means g x g x n x n
  • p(q - r)squared means p x (q - r) x (q - r)


  • a term is a collection of numbers, letters and brackets, all multiplied/divided together
  • terms are separated by + and - signs


  • put bubbles around each term
  • move the bubbles in the best order so that like terms are together
  • combine like terms

single brackets

  • the thing outside the brackets multiplies each separate term inside the brackets
  • when letters are multiplied…


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