Respuesta :

B. 24x+27. You multiply everything out and add the x's
Let's simplify step-by-step.
9(x+3)+15x
Distribute:
=(9)(x)+(9)(3)+15x
=9x+27+15x
Combine Like Terms:
=9x+27+15x
=(9x+15x)+(27)
=24x+27
Answer:
=24x+27
Hope this helps :)