SOLUTION: Let (x) be defined as (x) = x^2 + x for all x values of x. If (k) = (k+2), what is the value of k^2?

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Question 1088497: Let (x) be defined as (x) = x^2 + x for all x values of x. If (k) = (k+2), what is the value of k^2?
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
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Why do not write it in the commonly used notation ??????????