Use completing the square to solve the equation x^2+16x=-44.
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
Step-by-step explanation:
our equation is x²+16x = -44 
- x²+16x= -44 
- x² is the first term so weill have in the middle 2*x* a number 
- x²+2*x*8 = -44 
- the third term is 8² wich is 64 so we will add it in both sides 
- x²+2*x*8+64 = -44+64 
- (x+8)² = 20
Now that we have completed the perfect square let's solve the equation 
- (x+8)² = 20
- x+8 =  or x+8= - or x+8= - 
- x = -8+ or x =  -8- or x =  -8- 
 so the first answer is the correct one 
 64; 8 +/- 
 
                                
             
                    
              
              
                
                
Rewrite the equation 
x^2+16x=-44
Complete the square on the left hand side and add the answer to the right side to balance it 
(16/2)^2=(8)^2=64
x^2+16x+64=-44+64
Simplify the equation 
(x+8)^2=20
Find the roots of both sides
x+8=4.5 to nearest tenth 
x=4.5-8
x=-3.5
Hope it helps 
                                
             
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