MathDB
ASU 089 All Soviet Union MO 1967 diophantine x^2+x=y^4+y^3+y^2+y

Source:

June 20, 2019
number theorydiophantine

Problem Statement

Find all the integers x,yx,y satisfying equation x2+x=y4+y3+y2+yx^2+x=y^4+y^3+y^2+y.