SOLUTION: (3 √7 � 2 √6) (3 √7 + 2 √6)

Question 374920: (3 √7 � 2 √6) (3 √7 + 2 √6)
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!

You can just use FOIL to multiply these. Or, if you notice, this expression fits the left side of pattern: , with "a" being and "b" being . I like using the patterns when possible. So, according to the pattern, your expression will work out to be:

which simplifies as follows:

9*7 - 4*6
63 - 24
39

Note: If you use FOIL you should get exactly the same answer.
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SOLUTION: (3 &#8730;7 � 2 &#8730;6) (3 &#8730;7 + 2 &#8730;6)

SOLUTION: (3 √7 � 2 √6) (3 √7 + 2 √6)