Answer:
<u>x = 50°</u>
Step-by-step explanation:
2x = 140 - 40
2x = 100
x = 100/2
<u>x = 50°</u>
 
        
                    
             
        
        
        
Equilateral, isosceles,  and acute
        
                    
             
        
        
        
Answer:
the answer is c
Step-by-step explanation:
Im guessing but i hope you get it right im not that smart sooooo ye srry
 
        
             
        
        
        
Answer:
€¥¥~▪♤₩
Step-by-step explanation:
|₩》€¥●♤●》●¥}\~¥¥¡¡₩¥€☆●£₩●€●¥£}●¡¡》¤
 
        
             
        
        
        
Hello,
(x-(-1+4i))(x-(-1-4i))=((x+1)-4i)((x+1+4i)
=((x+1)²+16
=x²+2x+17