SOLUTION: Can someone help me with this one. I keep getting the signs mixed up Add (4x^2-8xy+y^2)+(-8x^2-3xy-y^2)+(x^2+xy-8y^2) Thanks, Cassie

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Can someone help me with this one. I keep getting the signs mixed up Add (4x^2-8xy+y^2)+(-8x^2-3xy-y^2)+(x^2+xy-8y^2) Thanks, Cassie      Log On


   

Question 749360: Can someone help me with this one. I keep getting the signs mixed up
Add
(4x^2-8xy+y^2)+(-8x^2-3xy-y^2)+(x^2+xy-8y^2)
Thanks,
Cassie
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
(4x^2-8xy+y^2)+(-8x^2-3xy-y^2)+(x^2+xy-8y^2)
4x^2 - 8xy + y^2 -8x^2 - 3xy - y^2 + x^2 + xy - 8y^2
-3x^2- 10xy - 8y^2
Hope this helps :-)