SOLUTION: add, simplify by collecting like radical terms if possible <pre> _ __ 2<font face = "symbol">Ö</font>8 + 4<font face = "symbol">Ö</font>72 </pre>

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Question 467481: add, simplify by collecting like radical terms if possible 
  _     __
2Ö8 + 4Ö72


Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!
  _     __
2Ö8 + 4Ö72
  ___     ____
2Ö4*2 + 4Ö36*2
  _ _     __ _
2Ö4Ö2 + 4Ö36Ö2
     _       _
2*2*Ö2 + 4*6Ö2
     _      _
   4Ö2 + 24Ö2
         _
      28Ö2

Edwin
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