Let's solve the expression $X + (5 - 3)^3$.

1. Start with the parentheses: $5 - 3 = 2$.
2. Next, raise the result to the power of 3: $2^3 = 8$.
3. Finally, add this result to $X$.

So, the simplified expression is:

$X + 8$

Would you like more details or have any other questions?

Here are 5 related questions:

1. What is $(7 - 4)^2 + X$?
2. How do you simplify $X + (3 + 2)^4$?
3. What is $X + (10 - 7)^2$?
4. How do you evaluate $X + (4 - 2)^3$?
5. What happens if $X = 10$ in $X + (5 - 3)^3$?

Tip: Always perform operations inside parentheses first before applying exponents or other operations.