4a²b⁴ - 25x⁶y⁴
(2ab²)² - (5x³y²)²     
= (2ab² + 5x³y²)(<span>2ab² - 5x³y²)    By difference of two squares</span>
        
             
        
        
        
Answer:
 I love algebra anyways  
the ans is in the picture with the steps  
(hope it helps can i plz have brainlist :D hehe)
Step-by-step explanation:
  
        
                    
             
        
        
        
If he made 25 percent profit, the selling price (1200 naira) is 125 percent.
If 125% is equal to 1200 naira
100 percent (the original) will be 100 × 1200 divided by 125
Which is 120000 ÷ 125
Therefore, the cost price is 960 naira
 
        
                    
             
        
        
        
115:55 bc if you divide them both you fat the same answer which is 2