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.
-6 sinh(2x )+9/2 cosh(2x)+25 - (4 sinh(x)+3 cosh(x))^2
-6 sinh(2x )+9/2 cosh(2x)+25 - (4 sinh(x)+3 cosh(x))^2
Natural Language
Math Input
