-28.87043 and 1.87043 (to 5 dp)
The numbers that multiply to 945 and add to negative 48 are -27 and -35. When you multiply them, (-27 \times -35 = 945), and when you add them, (-27 + (-35) = -48). Thus, these two numbers meet the required conditions.
-29
The two numbers that multiply to 810 and add to -63 are -27 and -30. This is because -27 × -30 = 810 and -27 + -30 = -57.
-79
99
27
-29
The two numbers that multiply to 810 and add to -63 are -27 and -30. This is because -27 × -30 = 810 and -27 + -30 = -57.
-117
-33
-27
-79
391
99
-117
-21, 27
-117