Mathway
Visit Mathway on the web
Start 7-day free trial on the app
Start 7-day free trial on the app
Download free on Amazon
Download free in Windows Store
Take a photo of your math problem on the app
get
Go
Enter a problem...
Upgrade
Calculators
About
Help
Sign In
Sign Up
Finite Math Examples
Step-by-Step Examples
Finite Math
Polynomials and Expressions
Simplify
2
x
−
3
2
x
-
3
Step 1
Rewrite the
expression
using the negative
exponent
rule
b
−
n
=
1
b
n
b
-
n
=
1
b
n
.
2
1
x
3
2
1
x
3
Step 2
Combine
2
2
and
1
x
3
1
x
3
.
2
x
3
2
x
3
Enter YOUR Problem
Mathway requires javascript and a modern browser.
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
Please ensure that your password is at least 8 characters and contains each of the following:
a number
a letter
a special character: @$#!%*?&