Find the value of the expression. Show all work.

9 [(7 + 12) -10

1 answer

To simplify the expression, we first need to perform the operation inside the parentheses: (7 + 12) = 19.
Next, we subtract 10 from 19: 19 - 10 = 9.
Finally, we multiply 9 by 9: 9 * 9 = 81.

Therefore, the value of the expression is 81.