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(3a+b)³ please help me​
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(3a+b)³ please help me​

User Nathan Wheeler
by
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2 Answers

1 vote

Answer:

Explanation:

9a^3+18a^2b+9ab^2+b^2

User Korijn
by
5.0k points
6 votes

Answer:


27a^(3) +27a^(2)b+9ab+b^(3)

Explanation:


(3a+b)(3a+b) = 9a^(2)+6ab+b^(2)\\(9a^(2)+6ab+b^(2))(3a+b) = 27a^(3) + 27a^(2)b +9ab^(2) +b^(3)

User Saulposel
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5.2k points
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