simplify: 12%E2%88%924%C3%B743+1.

To simplify the expression 12−4×3+1, we will follow the order of operations.

First, we perform the multiplication:
4×3 = 12

Now the expression becomes:
12−12+1

Next, we perform the subtraction:
12−12 = 0

Now the expression becomes:
0+1

Finally, we perform the addition:
0+1 = 1

Therefore, the simplified expression is 1.