Mathematics, 17.07.2019 15:00 hsjsjsjdjjd
Which expression is equal to 7√28 - 5 √63 a: -√7 b: √7 c: -37√7 d: -11√7
Answers: 1
. In the first radicand, we will pull out the 4 as a 2, and in the second one, we will pull out a 9 as a 3. Then we have 
which gives you 
, choice A from above.
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Which expression is equal to 7√28 - 5 √63 a: -√7 b: √7 c: -37√7 d: -11√7...
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