SOLUTION: what does it mean when a negative sign is outside the absolute value bars?

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Question 390349: what does it mean when a negative sign is outside the absolute value bars?
Found 2 solutions by richard1234, josmiceli:
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
It means:

Take the absolute value first, then invert it (put a negative sign).

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
It means that this quantity can be 0 or negative,
but never positive.
abs%28x%29 can only be 0 or positive
-abs%28x%29 can only be 0 or negative