The expression \( x^3(2 + y^5) \) can be distributed, resulting in:
\[ x^3 \cdot 2 + x^3 \cdot y^5 = 2x^3 + x^3y^5 \]
So, the equivalent expression is:
2x³ + x³y⁵ (which is the response that states "2 x cubed plus x cubed y superscript 5 baseline").