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15 April, 04:45

Clara simplifies {8b-4r} - {2b-r} and says the result is 6b-5r. What error did Clara make?

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Answers (2)
  1. 15 April, 05:30
    0
    She regrouped the numbers instead of multiplying like 8b (2b-r) - 4r (2b-r).
  2. 15 April, 06:02
    0
    She did not distribute the negative. Poor Clara.
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