Answer:
x=13
Step-by-step explanation:
3x=2x+21−8
3x=2x+13
3x−2x=13
x=13
 
        
                    
             
        
        
        
Answer:
Um i'ma just guess i'm not really good at math even if i'm in honors so i think its D i believe
Step-by-step explanation:
 
        
             
        
        
        
A) the posible roots of the function f(x)=x⁴-3x³-5x²+21x+22 are: 
=-1,+1,-2,+2,-11,+11,-22+22.
b)
one zero of the funtion can be: x=-1 ⇒y=0  
 (-1,0)c)
other zero of the funtion is: x=-2 ⇒y=0
  (-2,0)d)
if x=0 then y=22   
(0,22)
e) In the file is the graph. 
 
        
        
        
B) 17/6 
First I multiply 2 times 6 which gave me 12 then I added 12 plus 5 which gave me 17 then I used the number at the bottom which is 6 so the final answer was 17/6