Please URGENT!!!!!!!!!!!!!!!!!!!!?

  • Thread starter Thread starter Annie M
  • Start date Start date
A

Annie M

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I need help with these please,

1) square root 64x^2y^6

2) square root 126x^7y^4

I think number one would equal 8xy^4.
and number two i'm really not sure.

Help!
Please and thankyou!!=]
 
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