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September 23, 2014

September 23, 2014

Posted by **nicky** on Sunday, August 31, 2008 at 12:58am.

(9square root 6 - 4 square root 10)

(square root 6 - 7 square root 10)

I have been stumped and working on all day. Any suggestions?

- algebra -
**Reiny**, Sunday, August 31, 2008 at 1:08am(9√6 - 4√10)(√6 - 7√10)

= 9√36 - 63√60 - 4√60 + 28√100

= 54 - 67√60 + 280

= 334 - 67√4√15

= 334 - 134√15

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