Answer:

Step-by-step explanation:
x² + 6x + 1 = 0
a = 1 , b = 6 , c = 1

 
        
                    
             
        
        
        
Alex is making a square with 4 corners, brittanie is making a triangle with 3 corners. That's the difference, hope it helped a little, it's not a full answer but maybe it will help.
        
             
        
        
        
Answer:
b. -1
Step-by-step explanation:
9=4a+13
-13    -13
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-4=4a
4a/-4
a=-1
 
        
             
        
        
        
The answer to your question is 0
        
             
        
        
        
You didn't put the choices