+0  
 
0
31
1
avatar

Find all real numbers x such that (3x - 27)^3 + (27x - 3)^3 = (3x + 27x - 30).

 Oct 29, 2022
 #1
avatar
0

The solutions are -1/2, 1, 3, and 5.

 Oct 29, 2022

33 Online Users

avatar