Respuesta :

Answer:

−3b^3 − 5b^2

Step-by-step explanation:

[tex] \frac{15 {b}^{4} + 25 {b}^{3} }{ - 5b} [/tex]

[tex] \frac{15 {b}^{4} }{ - 5b} + \frac{25 {b}^{3} }{ - 5b} [/tex]

[tex] - 3 {b}^{3} - 5 {b}^{2} [/tex]