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.
x
5
-
1
5
x
4
+
8
5
x
3
-
2
2
5
x
2
+
2
7
4
x
-
1
2
0
=
=
0
Math Input
Natural Language
Math Input
