by Dario Alejandro Alpern The purpose of this article is to show how to solve the Diophantine Equation Ax 2 Bxy Cy 2 Dx Ey F = 0The term Diophantine Equation means that the solutions (x, y) should be integer numbers For example, the equation 4y 2 y 25 = 0 has solutions given by the horizontal line y = 25, but since 25 is not an integer number, we will