SOLUTION: I need help with this. The problem states to use rational exponents to writ √3:(x)*√5:(4x)as a single radical expression and I just don't understand this problem at a

Algebra ->  Radicals -> SOLUTION: I need help with this. The problem states to use rational exponents to writ √3:(x)*√5:(4x)as a single radical expression and I just don't understand this problem at a      Log On


   

Question 628477: I need help with this. The problem states to use rational exponents to writ
√3:(x)*√5:(4x)as a single radical expression and I just don't understand this problem at all.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If you mean:
root%283%2Cx%29%2Aroot%285%2C4x%29
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You need a common index, similar to the common denomonator in fractions.
3*5 = 15
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root%283%2Cx%29%2Aroot%285%2C4x%29+=+root%2815%2Cx%5E5%29%2Aroot%2815%2C%284x%29%5E3%29
= root%2815%2C64x%5E8%29