👤

descompus in produs de factori : (4x + 1)^ - (2x + 3 )^  este

Explicati

^ = la patrat

 



Răspuns :

[tex](4x+1)^2 - (2x+3)^2= [(4x+1)-(2x+3)][(4x+1)+(2x+3)]= \\ \\ =(4x+1-2x-3)(4x+1+2x+3)= \\ \\ = (2x-2)(6x+4)= \\ \\= \boxed{2(x-1)(3x+2)}[/tex]