Roman civilization began in 509 bc and ended in 985 bc years later. what year was that?

The

the main rule is shown on this line:
                                       
           BC years                            birth of christ                         AD years
985bc   509bc     3bc       2bc     1bc        0
---//// //////Now

-985     -509        -3         -2       -1           0       1       1900   2017

looking at this image of time the year was at -985 

I think that the idea is something like this:
- 509 + 985 = 476
So the question must be: " Roman civilization began in 509 BC and ended in 985 years later ( not 985 BC years later, it does not have a sense )".

Roman civilization ended in 476 AD ( and it is historically true ).  

i = 2 / - 5

step-by-step explanation:

evaluation of ( 2 - 4 ) ( p + q ) when p = 2 and q = 5 i, by putting values of p and q,                                                                    

0 = ( 2 - 4 ) ( p + q )0 = ( 2 - 4 ) ( 2 + 5 i ),   by multiplying these0 = ( 4 + 10 i - 8 - 20 i )0 = 4 - 8 + 10 i - 20 i0 = - 4 -10 i   0 = 2 ( - 2 - 5 i )0 / 2 = - 2 - 5 i- 2 - 5 i = 0- 5 i = 2i = 2 / - 5

Ibelieve 4mn because it’s like you’re combining them