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Find the product of (3x + 7y)^2

User VKolev
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2 Answers

4 votes

Answer:

9x^2 + 42xy + 49y^2

Explanation:

I took the test.

User Xabbuh
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2 votes
9x^2+42xy+49y in terms of (a+b)^2
User Maxbeizer
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