Skip to Main Content
A plug-in designed to help you cite papers, etc. in Microsoft Word.

Let $f(x) = x^2 + 4x + 2$. Find all $x$ such that $f(f(x)) = 2$.

(From the 1995 Russian Math Olympiad, Grade 9)

(From the 2001 Russian Math Olympiad, Grade 11)

Boston Arlington Burlington Charlotte London Miami Nahant Oakland Portland Seattle Silicon Valley Toronto Vancouver

Russian Math Olympiad Problems And Solutions Pdf Verified May 2026

Let $f(x) = x^2 + 4x + 2$. Find all $x$ such that $f(f(x)) = 2$.

(From the 1995 Russian Math Olympiad, Grade 9)

(From the 2001 Russian Math Olympiad, Grade 11)