SOLUTION: I need help solving (√(7&4x^8 ) y)^3

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Question 326670: I need help solving (√(7&4x^8 ) y)^3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You want to simplify the expression.
However you have a "&" in the equation.
What does that mean or is it a typo?
Please re-post.