The sum is 56
Here, we want to find the sum of the given expression
To do this, we need to evaluate what we have in each of the brackets and add up
Thus, we have that;
[tex]\begin{gathered} (39+1)\text{ + (9-4) + (9+2)} \\ 40\text{ + 5 + 11 = 56} \end{gathered}[/tex]