Question 102399
1. Simplify 2 sqrt of 12 + 4 sqrt of 27 
= 2*2sqrt(3) + 4 sqrt(2)
= 4[sqrt(3) + sqrt(2)]
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2.) Simplify 6 sqrt of 2 - 6 sqrt of 7
= 6[sqrt2-sqrt7] 
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This is a far as you can go with these two problems.
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Cheers,
Stan H.