The first step for solving this expression is to add the numbers in the first parenthesis.
7.2((9 - 2) + 2.5)
Subtract the numbers in the parenthesis found inside the other parenthesis.
7.2(7 + 2.5)
Add the numbers in the parenthesis.
7.2(9.5)
Now multiply the two numbers together to get your final answer.
68.4
This means the expression (4 + 3.2) × ((9 − 2) + 2.5)is equal to 68.4.
Let me know if you have any further questions.
:)