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

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

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User Zergski
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2 Answers

1 vote
She regrouped the numbers instead of multiplying like 8b(2b-r) -4r(2b-r).

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User Adeniyi
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8.0k points
1 vote

She did not distribute the negative. Poor Clara.

answered
User TResponse
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8.4k points
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Clara simplifies (8b-4r)-(2b-r) and says the result is 6b-4r. What error did Clara make?
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