Question

Why (-)(-)=(+)
plz don't give foolish answer ​

Answer 1

Answer:

We can represent "removes" by a negative number and figure out the answer by multiplying. This is an illustration of a negative times a negative resulting in a positive. If one thinks of multiplication as grouping, then we have made a positive group by taking away a negative number twelve times.

Answer 2

Answer:

kisi number ko minus see multiply karoge to uska sign change hoga. hisiliye minus aur minus plus he.