Answer:
Option D all of the above.
Step-by-step explanation:
The given expression is 5x³ + 320
5x³ + 320 = 5 (x³ + 64)
= 5 [x³ + 4³]
= 5[( x+4 ) ( x² + 16 - 42 )]
So these are three factors 5,(x + 4) and ( x² + 16 - 4x )
Therefore, Option D all of the above is the answer.
