The number \(-72\) can be simplified in several ways depending on the context. If you're looking to express \(-72\) in terms of its prime factorization or in radical form, you can factor it as follows:
\[ -72 = -1 \times 72 = -1 \times 2^3 \times 3^2 \]
If you're looking to express \(-72\) using a cubic root, you can write it as:
\[ -72 = -\sqrt[3]{72^3} \]
However, if you mean to simplify \(-72\) in a basic form, it remains as \(-72\).
So, the simplest form remains:
\(-72\)
If you meant something different, please clarify!