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17-10-2020
Mathematics

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Can someone help me simplify this (7b2 + 7b) + (7b + 7)

Respuesta :

17-10-2020

Answer:

21b + 9

Step-by-step explanation:

7b(2 + 7b) + (7b + 7)

7b+7b+7b=21b

2+7=9

21b + 9

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