Answer:...
-4+8x+2xy
Step-by-step explanation:
 
        
             
        
        
        
121 is the area of the square
        
                    
             
        
        
        
First step is to distribute. 
-4a^2 - 6a +2 + 3a^2 -3
Combine like terms
-a^2 -6a -1
        
             
        
        
        
Answer:
The next 3 steps are
Step 4: 
Step 5:  
 
Step 6: 
Step-by-step explanation:
Given:
Quadratic Equation is
x² + 4x - 6 = 0
To Find:
x = ?
Solution:
Step 1: x2 + 4x = 6
Step 2: x2 + 4x + 4 = 6 + 4
Step 3: (x + 2)2 = 10
Step 4: 
Step 5:  
 
Step 6: 