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marta [7]
3 years ago
10

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

Mathematics
2 answers:
Nady [450]3 years ago
8 0
She regrouped the numbers instead of multiplying like 8b(2b-r) -4r(2b-r).

GREYUIT [131]3 years ago
3 0

She did not distribute the negative. Poor Clara.

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