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

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

User Erthalion
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x=-1, \ y=2 \\ \\ 2x^3-3xy=2 * (-1)^3-3 * (-1) * 2=2 * (-1) +6=-2+6=4
User Rumen Hristov
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