Expand
a^{3}-9a^{2}+27a-27
Evaluate
\left(a-3\right)^{3}
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a^{3}-9a^{2}+27a-27
Use binomial theorem \left(p-q\right)^{3}=p^{3}-3p^{2}q+3pq^{2}-q^{3} to expand \left(a-3\right)^{3}.
a^{3}-9a^{2}+27a-27
Use binomial theorem \left(p-q\right)^{3}=p^{3}-3p^{2}q+3pq^{2}-q^{3} to expand \left(a-3\right)^{3}.
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