SOLUTION: If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ? A. 8 B. 4 C. –1 D. –4 E. –8

Algebra ->  Finance -> SOLUTION: If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ? A. 8 B. 4 C. –1 D. –4 E. –8      Log On


   



Question 259043: If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ?
A. 8
B. 4
C. –1
D. –4
E. –8

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy
-----------
2*3 = 6
-3*(-1)*2 = 6
6-6 = 0