5
-0.162278 and 6.162278 (to 6 dp)
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
-1
-1
-1
The two numbers are 1 and -9
-1
-17
-1
-1
-1
1
1