The order of operations for this case is: parenthesis (addition), multiplication, and addition depending on what you refer to
The order of operations is the following:
Parentheses
Exponents
Multiply/Divide
Addition/Subtraction
For (1 + 1 + 1) (2p + 5), you first need to solve the parenthesis, and what is inside the parentheses is addition (1 + 1 + 1) which equals to 3. Now, since both parentheses are next to each other, it is a sign of multiplication between both. So that means the 3 we solved is placed like this in the equation: 3(2p + 5). The next step is both parenthesis and multiplication, we use the distributive property to solve the parenthesis and multiply by 3. When we use the distributive property, we multiply everything outside the parenthesis by what is inside, so it would be 3 x 2p + 3 x 5. This equals to 6p + 15. If the question included what we can't solve without the value of p, we would continue, with multiplication going again when 6 is multiplied by p, and then last comes addition by adding 15. So the order of operations, in this case, would be parenthesis (addition), multiplication, and addition if we continue.