How do you multiply or divide minus numbers?

Answer 1

You multiply or divide the same way, wahtever the sign. Just make sure that the signis correct at the end.

For multiplication or division, an operation on two values with the same sign results in a positive answer, an operation on two values with different signs results in a negative answer - WHATEVER the order of the two values.

So:

+ and + makes + - and - makes +

+ and - makes - - and + makes -