Question

Why 3-(-8) becomes 3+8
why 3+(-8) becomes 3-8
why 3-(+8) becomes 3-8​

Answer 1

Answer:

this is because the product of - and - is always +

and the product of + and - and vice versa is always -

Answer 2

Answer:

These all are because of some rules. These rules are:

• (-) × (-) = (+)
• (+) × (+) = (+)
• (-) × (+) = (-)