Question

Calcule:

F) (2X + 1)² =

tem que ter calculo e a resposta​

Answer 1

.

$(2x + 1) {}^{2}$

$(2x) {}^{2} + 2 \times 2x \times 1 + 1 {}^{2}$

$4x {}^{2} + 4x + 1$