Respuesta :

Answer:

192x^4 - 192 x^3i

Step-by-step explanation:

a^3 b

Lets find a^3

a=4x

a^3

(4x)^3

64x^3

b = 3x-3i

a^3b

(64x^3) * (3x-3i)

Distribute

64x^3*3x - 64x^3 *3i

192x^4 - 192 x^3i