0 and -3, added together.
They do not always. The sum of two negative numbers is negative.
no it doesnt. two negative numbers equal a negative number. two postivie numbers equal a positive number. one negative and one positive number equal a negative number.
negative time negative equal positive
8
6 and -5
3, -15
positive
145
If two numbers have the same sign, their product is positive. If two numbers have opposite signs, their product is negative. So the answer is 'yes'.
8
24
The sum of two negative numbers will be more negative than either one of them. The sum cannot, therefore, be 16.