Respuesta :

I think these are the sums of perfect cubes. 

A = (2x²)³ + (3)³
B = (x³)³ + (1)³
D = (x²)³ + (x)³
E = (3x³)³ + (x^4)³

Answer:

8x6 + 27

x9 + 1

x6 + x3

27x9 + x12

Step-by-step explanation: