Math

Simplify: sqrt x^2-8x+16

I know that this can be factored out to sqrt (x-4)(x-4) what do i do next?

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asked by Shawn
  1. sqrt ( a*a) = a

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    posted by Damon
  2. is it x-4

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    posted by Shawn
  3. Sure

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    posted by Damon
  4. Yes. Also, would 4-x work?

  5. Okay I understand thank you both.

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    posted by Shawn

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