Respuesta :

syahbanazacki

Step-by-step explanation:

[tex] = 3 {a}^{3} {b}^{2} c + 9a {b}^{2} {c}^{3} [/tex]

[tex] = (3a {b}^{2} c)( {a}^{2} ) +( 3a {b}^{2} c)(3 {c}^{2} )[/tex]

[tex] = 3a {b}^{2} c( {a}^{2} +3 {c}^{2} )[/tex]