9 x 49 - 10

9 x 49 - 10 = 441 - 10 = 431

To calculate 9 x 49 - 10, you can follow these steps:

Step 1: Multiply 9 by 49
9 x 49 = 441

Step 2: Subtract 10 from the result of step 1
441 - 10 = 431

Therefore, 9 x 49 - 10 equals 431.