Question:

Simplify square root of (x^2 - 4x +4)?

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What is the answer to this, I put the answer as x-2 on a test but was told I was wrong.

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  1. Since (x^2 - 4x + 4) and (x-2)^2 are the same - (x-2) should be correct.


  2. (x-2)(x-2)
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