Mello
Simplify the following



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Mello
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\[\frac{ 7\sqrt{5}9\sqrt{5} }{ \sqrt{5}\sqrt{3} }\]

hartnn
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what have u tried ?

Mello
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Nothing yet, this was a longer expression. This is as far as I was able to simplify it. But I'm certain it's meant to be simpler than this.

hartnn
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multiply and divide by root 5 + root 3

Mello
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dw:1351744179569:dw

hartnn
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7 root 13 ? how ?
and last term = 9*3

Mello
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Right, sorry. 7 root 15. and 9*3

hartnn
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it should be 7root 15

Mello
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dw:1351744442302:dw

Mello
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dw:1351744481155:dw

hartnn
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absolutely correct!
good :)