Try another version of this question Simplify the following: `(21-3)*4` Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
`21-(3*4)`
Enter DNE for Does Not Exist, oo for Infinity 9
Enter DNE for Does Not Exist, oo for Infinity 72