Answer: The answer is x^2+2xy+2y^2–3x–3y–1
Step-by-step explanation: Move 2 to the left of y^2.
 
        
             
        
        
        
Answer:
6k^3(2 - 5k)
Step-by-step explanation:
12k^3 - 30k^4
Factor out 6k^3
6k^3(2 - 5k)
 
        
                    
             
        
        
        
im not sure but maybe look up how to calculate volume of a cone.. then go from there :D