SOLUTION: I need to simplify each expression by rationalizing the denominator. Help please. 6 / 3 - √18

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Question 309497: I need to simplify each expression by rationalizing the denominator. Help please.
6 / 3 - √18
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
First off we can do this with 6 / 3 - √18 rewritten as:
2 - √9x3 or written as
2 - 3√3
There we go. Make sense?
RJ
www.math-unlock.com