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Mathematics
Jamari Landry
13 April, 20:46
Simplify 3 square root of 20 / square root of 5
+5
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1
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Isis Lynch
13 April, 22:23
0
-7√5
rewrite 20 as 2^2·5
factor 4 out of 20. negative ∛4 (5) - √5
rewrite 4 and 2^2 negative ∛2^2·5-√5
pull terms out from under the radical
-3 (2√5) √5
multiply 2 by - 3
-6√5-√5
subtract √5 from - 6√5
-7√5
the answer is - 7√5
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