Answer:
Thank you!!!
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
They are equal.
Step-by-step explanation:
First, we can simplify the second equation by multiplying 7 times 6 and then 7 times 5 due to the distributive property. 

Therefore, using the distributive property, they are equal.
 
        
                    
             
        
        
        
Answer:
The discriminant is 49
Step-by-step explanation: