- Thread starter
- #1

- Thread starter shle
- Start date

- Thread starter
- #1

- Admin
- #2

- Jan 26, 2012

- 4,191

It's a quadratic in $y$. Do you know how to solve such problems?Hi, I am trying to solve for Y in the equation:

c = 2x^2 - xy + 2y^2

Thank you!

- Feb 1, 2012

- 57

Google "The quadratic formula" or "completeing the square"