Question 35
Determine all possible pairs of positive integers $x$, $y$ satisfying the equation: $xy(x+y-10)-3x^2-2y^2+21x+16y=60$.
MathNet 2015-part-03 — 191 problems (EN–VI) Question 35
Math Olympiad Vault · MathNet 2015-part-03 — 191 problems (EN–VI)