80
205
negative 3 and positive 4
21
11
There are no two real numbers that do, but the complex numbers (2 + i) and (2 - i) will.If you want two numbers that multiply to negative 5 and add to positive 4 then: -1 and 5If you want two numbers that multiply to negative 5 and add to negative 4 then: 1 and -5
14
15
79
80
301
205
negative 3 and positive 4
-5
57
-10 and 4,
-8 and +7