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What is 7√27 + 5√48 in simplified form?

1 Answer

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for 7√27 I think you have to see what can come out off the 27
√27

9 3

3 3
A 3 comes out because there is two and the other 3 stays in, so your left with
3·7√3 = 21√3
for 5√48 Two 2s come out and a 3 stays in so, it looks like 4·5√3= 20√3
and than just add
I hope this looks familiar.
User Jackberry
by
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