SOLUTION: Please can someone help? I have no idea where to start, and please show me how u got the answers, thank you. 1. sqrt x^9z^2/18y^5 2. 2 sqrt x-3/sqrt x+5 3

Question 471110: Please can someone help? I have no idea where to start, and please show me how u got the answers, thank you.
1. sqrt x^9z^2/18y^5

2. 2 sqrt x-3/sqrt x+5
3. (2^3 sqrt 40+^3 sqrt 48)(6^3 sqrt 4-^3 sqrt 32)

4. (x+4)^3

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1. sqrt x^9z^2/18y^5
What terms are under the radical?
------------------
2. 2 sqrt x-3/sqrt x+5
I think you mean
You didn't say what you want to do, I'll guess simplify.
=
=
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3. (2^3 sqrt 40+^3 sqrt 48)(6^3 sqrt 4-^3 sqrt 32)
I don't know what 40+^3 means, or 4-^3
-------------
4. (x+4)^3
=

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