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Post Closed as "off topic" by Harry Gindi, Reid Barton, Steve Huntsman, Harald Hanche-Olsen, Ryan Budney
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added geometry tag
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How to solve a bivariate quadratic equation?I have an equation: Ax² + By² + 2Cxy + 2Dx + 2Ey + F = P A,B,C,D,E,F and P are constants. Now I'd need to find out the solutions in range: x+y <= 1 and x >= 0, y >= 0. How to solve it? (I can solve a ray intersection with quadratic bezier triangle by using the solution of this equation)
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