Question 30
Find all pairs $(x, y)$ of natural numbers that satisfy the equation
$$
x^{2}-6 x y+8 y^{2}+5 y-5=0
$$
$$
x^{2}-6 x y+8 y^{2}+5 y-5=0
$$
MathNet 2019-part-04 — 184 problems (EN–VI) Question 30
Math Olympiad Vault · MathNet 2019-part-04 — 184 problems (EN–VI)