What were some early ideas/ attitudes toward negative numbers?

Answer 1

here, go to the wiki for this : http://en.wikipedia.org/wiki/Negative_numbers

go down to the section called
First usage of negative numbers

it gives a very extensive history of negative numbers, and will most likely have all that you need - good luck!

Answer 2

when people in the previous time realize that he need to loan a dept from other to run their bussiness they realize that they were losing. no profit made and they knew that their account is negative.so it'was how negative numbers come

Answer 3

That they didn't exist.