The result of subtracting 2 numbers is the difference.
a number lower than the original number
Depends. If you are subtracting a bigger number from a smaller number, such as 3 - 5, you will get a negative result, -2. If you are subtracting a smaller number from a bigger number, such as 12 - 3 you will get a positive result, 9.
The result of subtracting two numbers is known as difference the quotient
adding its opposite?