Final answer:
To completely simplify the expression (3+2)+10, evaluate the addition inside the parentheses first, which equals 5. Then, add 5 and 10 to get the final answer of 15.
Step-by-step explanation:
To completely simplify the expression (3+2)+10 using the order of operations, we first evaluate the addition inside the parentheses. 3+2 equals 5. So, the expression becomes 5+10, which equals 15.
Learn more about Order of Operations