SOLUTION: I'm having diffuculty solving this problem. Add; (9x^2-xy+y^2)+(-x^2-9xy+8y^2) DO I add across or???
Algebra
->
Polynomials-and-rational-expressions
-> SOLUTION: I'm having diffuculty solving this problem. Add; (9x^2-xy+y^2)+(-x^2-9xy+8y^2) DO I add across or???
Log On
Algebra: Polynomials, rational expressions and equations
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Polynomials-and-rational-expressions
Question 362636
:
I'm having diffuculty solving this problem.
Add; (9x^2-xy+y^2)+(-x^2-9xy+8y^2)
DO I add across or???
Found 2 solutions by
checkley77, nyc_function
:
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
(9x^2-xy+y^2)
+(-x^2-9xy+8y^2) add.
----------------------
8x^2-10xy+9y^2 ans.
Answer by
nyc_function(2741)
(
Show Source
):
You can
put this solution on YOUR website!
9x^2-xy+y^2 + -x^2-9xy+8y^2 =
8x^2 -10xy + 9y^2
Done!