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

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

Algebra.Com

Question 44297: if x=-1 and y=2,what is the value of the expression 2x^3-3xy?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
To evaluate this, we merely plug in the values into
2x^3 - 3xy
and get
2(-1)^3 - 3(-1)(2) =
-2 + 6 =
4
RELATED QUESTIONS
if x=-1 and y=2 what is the value of expression 2x^3 -... (answered by Alan3354)

if x=-1 and y=2 what is the value of the expression... (answered by Alan3354)

If x = �1 and y = 2, what is the value of the expression 2x3 � 3xy ? (answered by prabhjyot)

3. If x = �1 and y = 2, what is the value of the expression 2x3^3 � 3xy ? (answered by Mathtut)

if x= -1 and y = 2 what is the value of the expression 2x3 -3xy? (answered by johanna)

If x = -2 and y = 5, what is the value of the expression 2x3 � 3xy... (answered by Fombitz)

You answered this question wrong, because the poster wrote it wrong: If x = –1 and... (answered by jim_thompson5910)

What is the value of the expression 2x2+3xy-when x=2 and y=... (answered by rfer)

what is the value of the expression 2x2+3xy-4y2 when x=2 and... (answered by RiverBaggett,mananth)