SOLUTION: Hello I need help finding the value when x= -1 and y = 5 4xy -xy to the second.

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Question 267184: Hello I need help finding the value when x= -1 and y = 5
4xy -xy to the second.

Answer by rfer(12652) About Me  (Show Source):
You can put this solution on YOUR website!
4*-1*5-(-1)(5)^2
-20+25=5