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.
2
4
9
-
m
2
=
2
5
-
m
2
+
1
0
0
-
m
2
Math Input
Natural Language
Math Input
