Math
posted by Shawn .
Simplify: sqrt x^28x+16
I know that this can be factored out to sqrt (x4)(x4) what do i do next?

Math 
Damon
sqrt ( a*a) = a

Math 
Shawn
is it x4

Math 
Damon
Sure

Math 
bobpursley
Yes. Also, would 4x work?

Math 
Shawn
Okay I understand thank you both.
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