Respuesta :

Answer:

(4x^3 -5y^2) (16x^6 + 20x^3y^2 + 25y^4)

Step-by-step explanation:

Use a^3 - b^3 formula which is (a-b) (a^2 + ab + b^2)

Here a is 4x^3 and b is 5y^2.

You get (4x^3 -5y^2) (16x^6 + 20x^3y^2 + 25y^4)

Let me know if this helps!