Factoriser: 49x² -(x + 1)² (3x+7)(x-4) (3x+7) 25-1
            Mathématiques
            
               
               
            
            
               
               
             
            clara7736
         
         
         
                Question
            
            Factoriser:
49x² -(x + 1)²
(3x+7)(x-4) (3x+7) 25-1
               
            49x² -(x + 1)²
(3x+7)(x-4) (3x+7) 25-1