SOLUTION: Add. (2x squared -7xy + y squared) + (-6x squared - 2xy - y squared) + (x squared + xy - 9y squared) in other words: (2x^2-7xy+y^2)=(-6x^2-2xy-y^2)+(x^2+xy-9y^2) The an

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Add. (2x squared -7xy + y squared) + (-6x squared - 2xy - y squared) + (x squared + xy - 9y squared) in other words: (2x^2-7xy+y^2)=(-6x^2-2xy-y^2)+(x^2+xy-9y^2) The an      Log On


   



Question 261620: Add.
(2x squared -7xy + y squared) + (-6x squared - 2xy - y squared) + (x squared + xy - 9y squared)
in other words:
(2x^2-7xy+y^2)=(-6x^2-2xy-y^2)+(x^2+xy-9y^2)
The answer is ?
Thank you to anyone who can possibly help me with this problem!!!!!!!!

Found 2 solutions by richwmiller, MathTherapy:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x=0 y=0
You probably want to know how I got that!
It all reduces to
7x^2-6xy+11y^2 = 0

Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!
Add.
(2x squared -7xy + y squared) + (-6x squared - 2xy - y squared) + (x squared + xy - 9y squared)

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2x%5E2+-+7xy+%2B+y%5E2+-+6x%5E2+-+2xy+-+y%5E2+%2B+x%5E2+%2B+xy+-+9y%5E2 ------ Distribute

2x%5E2+-+6x%5E2+%2B+x%5E2+-+7xy+-+2xy+%2B+xy+%2B+y%5E2+-+y%5E2+-+9y%5E2

highlight_green%28-3x%5E2+-+8xy+-+9y%5E2%29