SOLUTION: Add. (4x^2-5xy+y^2) + (-9x^2-8xy-y^2) + (x^2+xy-3y^2) Thank you.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Add. (4x^2-5xy+y^2) + (-9x^2-8xy-y^2) + (x^2+xy-3y^2) Thank you.      Log On


   

Question 132425: Add.


(4x^2-5xy+y^2) + (-9x^2-8xy-y^2) + (x^2+xy-3y^2)
Thank you.
Found 2 solutions by jim_thompson5910, checkley71:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%284x%5E2-5xy%2By%5E2%29+%2B+%28-9x%5E2-8xy-y%5E2%29+%2B+%28x%5E2%2Bxy-3y%5E2%29 Start with the given expression

4x%5E2-5xy%2By%5E2-9x%5E2-8xy-y%5E2%2Bx%5E2%2Bxy-3y%5E2 Remove the parenthesis (in this case, they do not affect the outcome of the problem)


%28y%5E2-y%5E2-3y%5E2%29%2B%284x%5E2-9x%5E2%2Bx%5E2%29%2B%28-5xy-8xy%2Bxy%29 Group like terms


-3y%5E2-4x%5E2-12xy Combine like terms

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
4x^2-5xy+y^2
-9x^2-8xy-y^2
x^2+xy-3y^2
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-4x^2-12xy-3y^2 answer.