SOLUTION: Can someone please check this to make sure I did it correctly? Thank you! Evaluate: xy^3 - x^2 if x = -3 and y = -2 This is what I did: x = -3 . -2^3 -3 . -8 = 24 x^2 =

Algebra ->  Signed-numbers -> SOLUTION: Can someone please check this to make sure I did it correctly? Thank you! Evaluate: xy^3 - x^2 if x = -3 and y = -2 This is what I did: x = -3 . -2^3 -3 . -8 = 24 x^2 =      Log On


   

Question 46756: Can someone please check this to make sure I did it correctly? Thank you!
Evaluate: xy^3 - x^2 if x = -3 and y = -2
This is what I did:
x = -3 . -2^3
-3 . -8 = 24
x^2 = -3^2
-3^2 = -9
24 - -9 = -15 <<
Answer by duraipalani(1) About Me  (Show Source):
You can put this solution on YOUR website!
this is my answer
x(y^3-x)if x=-3,y=-2
-3(-8- -3)
-3*-5=15
ur answer is right