Hello!
if x = -3, just substitute it for x (replace the x with -3)
2(-3) + 6 = 0
2 * -3 = -6
-6 + 6 = 0
I hope this helps, and have a nice day!
 
        
             
        
        
        
Answer:
npr=  n!  /(n-r) !
nCr= =(n r) = n!  /r!(n-r)1
Step-by-step explanation:
 
        
             
        
        
        
1/9 is the answer for that question
 
        
                    
             
        
        
        
2(2)-3=5-2(2)
4-3=5-4 
1=1 
The correct answer is A