Here is you answer http://www.mathway.com/ Enjoy and be sure to bookmark it.

>>>>>>You may not find a book that says minus 6 times minus 2 is minus 12 ;-)
>>>>
>>>>
>>>>If you do find a book that says that I would not trust anything else that book says.
>>>
>>>Exactly :) But I guess you would still trust Tamar :)
>>
>>I know leaving the minus sign in the answer was just a typing glitch on her part. Otherwise I wouldn't have razzed her about it. She has a PhD in math, which is a lot more than I can say.
>
>I knew it, I was kidding too.