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OpenStudy (anonymous):
helpp
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OpenStudy (anonymous):
\[(7+\sqrt{2})(8-3\sqrt{2})\]
OpenStudy (neer2890):
\[=7*8-7*3\sqrt{2}+8\sqrt{2}-3*2\]
OpenStudy (neer2890):
=56-6-21sqrt(2)+8sqrt(2)
OpenStudy (neer2890):
\[50-13\sqrt{2}\]
OpenStudy (anonymous):
thanks again! where are you from @neer2890
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OpenStudy (neer2890):
you're welcome..:)
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