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.
((integrate (-x)^2dx from x=0..4)-(integrate (-4x+12)^2dx from x=3..4))pi=
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random