SOLUTION: (radical3-2radical 21)(radical 3 + 3radical 21)

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Question 429079: (radical3-2radical 21)(radical 3 + 3radical 21)



Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi



   3 -2sqrt(63) + 3sqrt(63) - 6*21

     sqrt(63) - 123

     sqrt(9*7) - 123

     3sqrt(7) - 123 

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