So we look inside the brackets . Then for the first bracket it says 9x7 which is 63. Second bracket is 18. If you add them up together you get 81. And the answer is 9 x (7+2) as 7+2 is 9 and look outside the bracket which is 9. Then 9 times 9 which is 81. So 9x (7+2) is your answer.
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