# Square roots

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Hi, can someone please explain to me how sqrt (square root of)128 becomes 8sqrt2 ; or sqrt68 becomes 2sqrt17? ; or sqrt45 becomes 3sqrt5?

Thank you

https://brainmass.com/math/basic-algebra/square-root-functions-explained-15290

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Please see the attachment.

Hi, can someone please explain to me how ...

#### Solution Summary

This shows how to simplify square roots, for example sqrt45.

$2.49