All throughout your education you have probably been told a negative multiplied by a negative number gives a positive product - but you probably haven't been given an explanation why.
So heres the challenge. Mathmatically prove that multiplying 2 negative numbers gives a positive result.
Worth 1000 gold.
Please don't cheat and look it up!
Im also posting this in LOEP once someone wins at either thread the contest is over. post your proofs here!
