What two numbers multiple to 110 but also adds up to - 21

Adding binary

Step-by-step explanation:

When two numbers are added together in denary, we take the first number, add the second number to it and get an answer. For example, 1 + 2 = 3. When we add two binary numbers together the process is different. There are four rules that need to be followed when adding two binary numbers.

Answer: is - 11 and - 10

Step-by-step explanation:

because

-11+-10 = - 21

-11*-10 = 110