SOLUTION: add (4x^2-8xy+y^2)+(-8x^2-3xy-y^2)+(x^2+xy-2y^2)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: add (4x^2-8xy+y^2)+(-8x^2-3xy-y^2)+(x^2+xy-2y^2)      Log On


   

Question 881926: add
(4x^2-8xy+y^2)+(-8x^2-3xy-y^2)+(x^2+xy-2y^2)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Remove the parenthesis. Then group and combine like terms.


%284x%5E2-8xy%2By%5E2%29%2B%28-8x%5E2-3xy-y%5E2%29%2B%28x%5E2%2Bxy-2y%5E2%29


4x%5E2-8xy%2By%5E2-8x%5E2-3xy-y%5E2%2Bx%5E2%2Bxy-2y%5E2


%284x%5E2-8x%5E2%2Bx%5E2%29%2B%28-8xy-3xy%2Bxy%29%2B%28y%5E2-y%5E2-2y%5E2%29


%28-3x%5E2%29%2B%28-10xy%29%2B%28-2y%5E2%29


-3x%5E2-10xy-2y%5E2


=======================================================


%284x%5E2-8xy%2By%5E2%29%2B%28-8x%5E2-3xy-y%5E2%29%2B%28x%5E2%2Bxy-2y%5E2%29 simplifies to -3x%5E2-10xy-2y%5E2