Respuesta :

Answer:

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

Step-by-step explanation:

[tex]a^{2} (5a-3b)-3a^{2} |[/tex]

Expand brackets

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

Final Answer is

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