Factorisation: A(x)= (2x+3)² - (x-1)² B(x)= (x+1) - x(x+1)
            Mathématiques
            
               
               
            
            
               
               
             
            emmaherlemont
         
         
         
                Question
            
            Factorisation: 
A(x)= (2x+3)² - (x-1)²
B(x)= (x+1) - x(x+1)
               
            A(x)= (2x+3)² - (x-1)²
B(x)= (x+1) - x(x+1)
               1 Réponse
            
            - 
			  	
1. Réponse droopette
A(x)= (2x+3)² - (x-1)²
=(2x+3-x+1)(2x+3+x-1)
=(x+4)(3x+2)
B(x)= (x+1) - x(x+1)
=(x+1)(1-x)