Question 165
Find all pairs of natural numbers $(x, n)$ that are solutions of the equation
$$
x^{3}+2x+1=2^{n}
$$
$$
x^{3}+2x+1=2^{n}
$$
MathNet 2007-part-02 — 187 problems (EN–VI) Question 165
Math Olympiad Vault · MathNet 2007-part-02 — 187 problems (EN–VI)