Question

(2×+y)^2-(x-y)^2
calculo pfv,pra amanha!!​

Answer 1

Resposta:

$3x.(x+2y)$

Explicação passo-a-passo:

$(2x+y)^{2} -(x-y)^{2} \\(2x+y- (x-y)).(2x+y+(x-y))\\(2x+y-x+y).(2x+y+x-y)\\(x+2y).3x\\3x.(x+2y)$