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.
factor (4x^4-25x^3+16x^2-9)
factor (4x^4-25x^3+16x^2-9)
Natural Language
Math Input
Extended Keyboard
