Respuesta :

The answer is B

(Mark me the brainliest if this has helped )

Step-by-step explanation:

option B is correct

as,

3x² × 2x³y = 6x⁵y

and

3x² × 5xy⁴ = 15x³y⁴

so,

6x⁵y + 15x³y⁴.

hope this answer helps you dear and may u have a great day ahead! take care