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.
–4 ∙ 6 – 6 ∙ (–5)
–4 ∙ 6 – 6 ∙ (–5)
Natural Language
Math Input
Extended Keyboard