Evaluate
\left(x-3\right)^{3}+4
Expand
x^{3}-9x^{2}+27x-23
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x^{3}-9x^{2}+27x-27+4
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(x-3\right)^{3}.
x^{3}-9x^{2}+27x-23
Add -27 and 4 to get -23.
x^{3}-9x^{2}+27x-27+4
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(x-3\right)^{3}.
x^{3}-9x^{2}+27x-23
Add -27 and 4 to get -23.
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