Question

determine o produto notavel : (2x-1) . (4x²+2x+1)

Answer 1

(2x-1) (4$x^{2}$+2x+1)
$8 x^{3} + 4 x^{2} + 2x - 4 x^{2} - 2x -1$
$8 x^{3} - 1$