SOLUTION: if x= -1 and y = 2 what is the value of the expression 2x3 -3xy? the 3 is small

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Question 142312: if x= -1 and y = 2 what is the value of the expression 2x3 -3xy?
the 3 is small
Answer by johanna(2) About Me  (Show Source):
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if x= -1 and y = 2 what is the value of the expression 2x3 -3xy?
the 3 is small
2x3-3xy
2*-1*3-3*-1*-2
2*-3-3*2
-6-6
=12