Tuesday, August 13, 2013

What is the solution for sqrt(2x + 1) + 5 = 2?

This equation has no solution: 

%0D%0Asqrt%282x+%2B+1%29+%2B+5+=+2%0D%0A 
simplifies to 
%0D%0Asqrt%282x+%2B+1%29+=-3%0D%0A 
...but square roots can never be negative. 



:)
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