Answer:
5x³ - 2x²
Step-by-step explanation:
Step 1: Write out expression
4x³ - x² + 4x + x³ - x² - 4x
Step 2: Combine like terms (x³)
5x³ - x² + 4x - x² - 4x
Step 3: Combine like terms (x²)
5x³ - 2x² + 4x - 4x
Step 4: Combine like terms (x)
5x³ - 2x²
 
        
             
        
        
        
Answer:
27?
Step-by-step explanation:
because 1 page per 1 hour leads up to 27 hours for 27 pages. Or if your not counting the 10 pages she has already written, she spent 17 hours.
 
        
             
        
        
        
Answer:
the and is x>-7
Step-by-step explanation:
collect like time
-2x<10+4
-2x<14
x>14/-2
x>-7
 
        
             
        
        
        
Answer:
$672
Step-by-step explanation:
I am a master in mathematics!!
 
        
                    
             
        
        
        
I think its: A 
PLZ tell me if am wrong