+0  
 
0
42
1
avatar

Let f(x)=x^2 +2x. Find all real numbers x such that f(x)=f(f(x))

 Aug 17, 2021
 #1
avatar+45 
+1

Pretty sure this problem has already been posted... You should find it once you search it up online, it was solved by CPhill.

 Aug 17, 2021
edited by Ooflord  Aug 17, 2021

8 Online Users

avatar