Respuesta :

Answer:

c

Step-by-step explanation:

18x³y⁴ = 2 * 3 * 3 * x³ * y⁴

24x²y⁵ = 2 * 2 * 2 * 3 * x² * y⁵

GCF = 2 * 3 * x² * y⁴ = 6x²y⁴

18x³y⁴ + 24x²y⁵ = 6x²y⁴(3x  + 4y)