Question 134
Find all pairs $(a, b)$ of integers satisfying the equality
$$
3(a^2 + b^2) - 7(a + b) = -4.
$$
$$
3(a^2 + b^2) - 7(a + b) = -4.
$$
MathNet 2015-part-02 — 191 problems (EN–VI) Question 134
Math Olympiad Vault · MathNet 2015-part-02 — 191 problems (EN–VI)