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

1 Answer

6 votes

Answer:

21b + 9

Explanation:

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

7b+7b+7b=21b

2+7=9

21b + 9

User Younes Belouche
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