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3√7×2√3×2√21 simplify ​

3√7×2√3×2√21 simplify ​
asked 218k views
20 votes
3√7×2√3×2√21
simplify
​

asked
User Tomka
by
8.2k points

1 Answer

8 votes

Answer:

root 7 × root 7= root 21

Explanation:

root21×root21=21 now 12×21 =252

answered
User Draco
by
7.7k points
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