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OpenStudy (anonymous):
(4 sqrt 2 + 9)(sqrt 2 - 1)
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mathslover (mathslover):
Is it : \((4\sqrt{2} + 9 )(\sqrt{2} - 1)\)
OpenStudy (anonymous):
yes it is. can you help?
mathslover (mathslover):
Sure. First of all, let me make sure, what you tried yet?
OpenStudy (anonymous):
I haven't really tried anything yet..
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