algebra
posted by nicky .
Multiply and simplify
(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?

(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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