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.
解: log_2(x+3) + log_2(x-1) = 5 。
解: log_2(x+3) + log_2(x-1) = 5 。
Natural Language
Math Input
Extended Keyboard
