SOLUTION: If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ?

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Question 6796: If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ?

Answer by prabhjyot(164) About Me  (Show Source):
You can put this solution on YOUR website!
x = –1 and y = 2,
Given :2x^3 – 3xy
Plugging the values of x and y in the expression
2(-1)^3 -3(-1)(2)
=-2 +6=4
Therefore the value of the expression 2x^3 – 3xy is :4