Question

resolver cubo de binomio (3a+b)³​

Answer 1

Explicación paso a paso:

(3a+b)³

$(3a+b {)}^{2} = {(3a)}^{3} + 3 {(3a)}^{2}b + 3(3a) {b}^{2} + {b}^{3} \\ = 27 {a}^{3} + 27 {a}^{2}b + 9a {b}^{2} + {b}^{3}$