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Mathematics 9 Online
OpenStudy (anonymous):

Simplify the following

OpenStudy (anonymous):

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

hartnn (hartnn):

what have u tried ?

OpenStudy (anonymous):

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 (hartnn):

multiply and divide by root 5 + root 3

OpenStudy (anonymous):

|dw:1351744179569:dw|

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