Question

Utilice productos notables
(3x+1)³​

Answer 1

Respuesta:

$= (3x {)}^{3} + 3(3x)^{2} (1) + 3(3x)(1)^{2} + (1 {)}^{3} = 27x^{3} + 3(9 {x}^{2} )(1) + 3(3x)(1) + 1 = 27 {x}^{3} + 27x^{2} + 9x + 1$