SOLUTION: 5 2 -1 8 perform the indicated operation if possible. if not possible,state the reason

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Question 377693: 5 2
-1 8
perform the indicated operation if possible. if not possible,state the reason
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
No operation is indicated.
If you need the determinant,
D=5%288%29-%28-1%29%282%29=40%2B2=highlight%2842%29