Originally posted by Ravenmaster
That\'s not quite it. It does have something to do with 0, but that\'s not it. 0=0 is a valid equation. You can\'t multiply one side by 12345 and the other side by 54325. There\'s another trick in there. Keep looking.
Yes 0=0 is a valid equation.
But U arrive at
(a+b)(a-b)=b(a-b)
Since a-b = 0
When U say so a+b = b it\'s no exact!
We can have 12345 * 0 = 6789*0 which is true!!!
so if a=b => 12345 (a -b) = 6789 (a-b)
but I repeat we can\'t say 12345 = 6789 because u\'ve done a division by 0!!!!