I don't understand how 3√2 = to √18.. and how to get rid of the root to become 3 x 2. Can anyone show me a few more examples also?

Thank You

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- Nov 16th 2009, 09:03 PMhovermetProblem with Root
I don't understand how 3√2 = to √18.. and how to get rid of the root to become 3 x 2. Can anyone show me a few more examples also?

Thank You - Nov 17th 2009, 02:55 AMGrandad
Hello hovermetTwo things you need to know about square roots:

The definition of a square root: ...Rule 1So, using these rules, we can say:

How multiplication works with square roots: ...Rule 2

, using Rule 1Here are another couple of examples:, using Rule 2, twice

(1)Grandad

- Nov 17th 2009, 04:27 AMHallsofIvy