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

User Zergski
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2 Answers

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

User Adeniyi
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1 vote

She did not distribute the negative. Poor Clara.

User TResponse
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