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Mathematics 17 Online
OpenStudy (anonymous):

satellite73 can you check this one plse: multiply (√5 + 3√8)(√5 - 3√8) = -67 is my ans. pls check

OpenStudy (anonymous):

5 - 3*sqrt(40) + 3*sqrt(40) - 9*8 5 - 72 = 67. This is correct. I am one medal away from level 11. If this helps, please check good answer. Also please see my site for free math videos: http:/www.tutorsean.net

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