Find all real solutions to $x^3+(x+1)^3+(x+2)^3=(x+3)^3$.  Enter all the solutions, separated by commas.
Question:
Find all real solutions to $x^3+(x+1)^3+(x+2)^3=(x+3)^3$.  Enter all the solutions, separated by commas.
Answer:
Let's think step by step.

user
3
Find all real solutions to $x^3+(x+1)^3+(x+2)^3=(x+3)^3$.  Enter all the solutions, separated by commas.
train