Answer:
−x4−3x3−21x2−49x−6
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x2
Step-by-step explanation:
if you have more problems search up algebra calculator 
 
        
             
        
        
        
Answer:
x=84
Step-by-step explanation:
the sum of the angles in a pentagon is always 540 so do 
540-131-108-107-110=84
 
        
                    
             
        
        
        
Answer:
x > 60
Step-by-step explanation:
From the picture attached,
An arrow starting with a hollow circle from x = 60, directing towards positive numbers (greater than 60).
So, hollow circle will represent an inequality with no sign of 'equal to' and arrow will represent the sign of greater than (As moving ahead of 60).
Inequality representing the picture will be,
x > 60