Question

Calcule:
(x2 + 2x +1) . (x + 3)

Answer 1

Resposta:

$4 {x}^{2} + 13x + 3$

Explicação passo-a-passo:

$(x2 + 2x + 1) \times (x + 3) = \\ (2x + 2x + 1) \times ( x + 3) = \\ (4x + 1) \times (x + 3) = \\ 4 {x}^{2} + 12x +x + 3 = \\ 4 {x}^{2} + 13x + 3$