Answer: 
Step-by-step explanation:
By the exterior angle theorem, 
 
        
             
        
        
        
The answer you are looking for is the letter i.
5n + 30 = 2n - 2
        
             
        
        
        
1.
When  you have the length of two sides and the angle between them, the triangle is totally determined. This is, there is only one segment that can complete the triangle: its length and position is totally fixed.
        
             
        
        
        
Answer:
 x = 4i, − 4i
Step-by-step explanation:
The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace y with 0 and solve for x
 x = 4i, − 4i