Answer:
3(15+12)
Step-by-step explanation:
3(5+4)
3( 5 x 3 =15 and 4 x 3= 12)
 
        
             
        
        
        
Answer:
Voted for what exactly? I could help you more if you had a more definitive question. Unfortunately, I cannot answer this for you. 
 
        
             
        
        
        
Answer:
(4×-3)(2x-1)
Step-by-step explanation:
8x²-10x+3
8x²-4x-6x+3
4x(2x-1)-3(2x-1)
(4×-3)(2x-1)
 
        
             
        
        
        
Lines m and n are parallel. 
Lines k and l are parallel. 
Hope this helps :)