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(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(A-3\right)^{3}.
A^{3}-9A^{2}+27A-27
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(A-3\right)^{3}.
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