SOLUTION: how do you solve this problem 2x^3-3xy if x=-1 y=2

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Question 458126: how do you solve this problem 2x^3-3xy if x=-1 y=2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E3-3xy


2%28-1%29%5E3-3%28-1%29%282%29


2%28-1%29-3%28-1%29%282%29


-2%2B6


4


So 2x%5E3-3xy=4 when x=-1 and y=2