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Drupady [299]
3 years ago
7

I need a little help :)

Mathematics
1 answer:
Naily [24]3 years ago
3 0

So firstly, square root 9a^2 and 49: 3a+7\sqrt{b}-a+\sqrt{b}


Next, combine like terms, and your answer will be 2a+8\sqrt{b} , or the third option.

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