9a^2-6ab+12ac-8bc
=3a(3a-2b)+4c(3a-2b)
=(3a+4c)(3a-2b) 
There you go. Have fun!
        
             
        
        
        
Answer:
-t
Step-by-step explanation:
t - 5 - 2t + 5 =
t - 5 + 5 - 2t = 
t - 2t =
-t
 
        
                    
             
        
        
        
Answer:
x² + 2x - 48
Step-by-step explanation:
( x + 8 ) ( x - 6 )
=  x ( x - 6 ) + 8 ( x - 6 )
= x*x - 6*x + 8*x + 8*( - 6 )
= x² - 6x + 8x  - 48
= x² + 2x - 48
 
        
                    
             
        
        
        
Answer:
1. Citrus fruits · 2. Red bell peppers · 3. Broccoli · 4. Garlic · 5. Ginger · 6. Spinach · 7. Yogurt · 8. Almonds.
Step-by-step explanation: