Question

Descompus in produs de factori (4x+1)^2-(2x+3)^2 este...?

Answer 1

$(4x+1)^{2}-(2x+3)^{2}=(4x+1-2x-3)*(<span>4x+1+2x+3</span>)=(2x-2)(6x+4)=2*(x-1)*2*(3x+2)=4*(x-1)*(3x+2)$