Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Evaluate the expression when m=3 and n=38 n−5m
Evaluate the expression when m=3 and n=38 n−5m
Natural Language
Math Input
Extended Keyboard