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Hi Stu need help solving this: ³√180 + 4√125 - 6√45

 Jul 17, 2014

Best Answer 

 #1
avatar+129852 
+8

Sp we have

³√180 + 4√125 - 6√45 =

³√180 + 4√(25*5) - 6√(9*5) =

³√180 + 4*5√5 - 6*3√5=

³√180 + 20√5 - 18√5  =

³√180 + 2√5

 

 Jul 18, 2014
 #1
avatar+129852 
+8
Best Answer

Sp we have

³√180 + 4√125 - 6√45 =

³√180 + 4√(25*5) - 6√(9*5) =

³√180 + 4*5√5 - 6*3√5=

³√180 + 20√5 - 18√5  =

³√180 + 2√5

 

CPhill Jul 18, 2014

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