Verified Answer :

The Greatest Common Factor of the given expression should be that expression that can divide both. First, factor both expression,
           x^4 = (x³)(x)      and x³ = (x³)(1)
Therefore, both can be factored by x³. The answer is the third choice.

Answer:

\(x^{3} \\ you're\\welcome\)

Step-by-step explanation: