What’s the difference please help

Answer:
C: [tex]-7ab \sqrt[3]{3ab^{2} }[/tex]
Step-by-step explanation:
Simplify or expand:
[tex]2ab\sqrt[3]{192ab^{2} } - 5\sqrt[3]{81a^{4} b^{5} }[/tex]
Transform the expression:
[tex]2ab\sqrt[3]{4^{3}*3ab^{2} }[/tex] - [tex]5\sqrt[3]{3^{3}*3a*ab^{3} b^{2} }[/tex]
Re-write
Multiply
Combine like terms.