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OpenStudy (anonymous):
(6-(square root 5)(5+(square root)5
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OpenStudy (anonymous):
\[1-5\sqrt{5}\]
OpenStudy (anonymous):
\[(6-\sqrt{5})*(5+\sqrt{5})=30+6\sqrt{5}-5\sqrt{5}-5=25+\sqrt{5}\]
OpenStudy (anonymous):
its a 13 somewhere in the answer
OpenStudy (anonymous):
your right thank you
OpenStudy (anonymous):
the brackets well positioned
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