SOLUTION: assume x can represent any real number. Use absolute value notation when necessry. sqrtx^2-18x+81 I got sqrt(x-9)^2 is this correct?

Question 214993: assume x can represent any real number. Use absolute value notation when necessry.
sqrtx^2-18x+81
I got sqrt(x-9)^2 is this correct?
Found 2 solutions by jim_thompson5910, drj:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You are correct, but you can keep going. Remember that .

Using this fact, this means

So
Answer by drj(1380) (Show Source): You can put this solution on YOUR website!
Assume x can represent any real number. Use absolute value notation when necessary.

Almost correct...need to continue and complete the steps.

I hope the above steps were helpful.

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J
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