The numbers are: 9 + square root of 129 and 9 - square root of 129
120
The numbers that add up to negative 6 and multiply to negative 27 are -3 and 9.
The answer will also be negative.
49
there are none. you need to do the quadratic formula: X = -B + or - The Square Root of (B2 - 4xAC) 2xA
Because when you add any negative numbers, the sum will also be a negative number.
They are -1 and -3
-57
-8 and -2
-154
-305
They are about: 0.53112887 and -7.53112887