SOLUTION: is square root x^2 = x an identity?

SOLUTION: is square root x^2 = x an identity?

Algebra.Com

Question 82865: is square root x^2 = x an identity?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
No it is not. To prove this let x=-3 to get

Since this expression is not true, it is not an identity.
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