Respuesta :

sqdancefan

9514 1404 393

Answer:

  2∛7

Step-by-step explanation:

Putting the expression in simplest form will factor cubes from under the radical.

  [tex]\displaystyle\sqrt[3]{56}=\sqrt[3]{2^3\cdot7}=\boxed{2\sqrt[3]{7}}[/tex]