Evaluate the limit?

Evaluate the limit \(\lim _{h \rightarrow 0} \frac{(x-h)^{3}-x^{3}}{h} ?\)?

Answer:
\(\lim _{h \rightarrow 0} \frac{(x-h)^{3}-x^{3}}{h}=-3 x^{2}\)

Explanation:
We seek:

\(L=\lim _{h \rightarrow 0} \frac{(x-h)^{3}-x^{3}}{h}\)

Therefore: