Respuesta :
Explicación paso a paso:
[tex]3 {b}^{2} (5b + 4 {b}^{2} + 8) \\ = 15 {b}^{3} + 12 {b}^{4} + 24 {b}^{2} \\ = 12 {b}^{4} + 15 {b}^{3} + 24 { b}^{2} [/tex]
Explicación paso a paso:
[tex]3 {b}^{2} (5b + 4 {b}^{2} + 8) \\ = 15 {b}^{3} + 12 {b}^{4} + 24 {b}^{2} \\ = 12 {b}^{4} + 15 {b}^{3} + 24 { b}^{2} [/tex]