Let the angles be x and (180-x).
Let 2x = 180-x.
Then 3x = 180, and x = 60. One angle is 60 degrees and the other is 180-60, or 120, degrees.
The stock market increased 75 point: = +75 or 75
Factoring completely you get: 3(3x-1)(2x+3)
14 or 14.04 if you want to be more specific