Evaluate
27\left(x-3\right)^{3}
Expand
27x^{3}-243x^{2}+729x-729
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27x^{3}-243x^{2}+729x-729
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(3x-9\right)^{3}.
27x^{3}-243x^{2}+729x-729
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(3x-9\right)^{3}.
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