Expand
5184x-1296x^{2}+108x^{3}-3x^{4}
Evaluate
3x\left(12-x\right)^{3}
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3x\left(1728-432x+36x^{2}-x^{3}\right)
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(12-x\right)^{3}.
5184x-1296x^{2}+108x^{3}-3x^{4}
Use the distributive property to multiply 3x by 1728-432x+36x^{2}-x^{3}.
3x\left(1728-432x+36x^{2}-x^{3}\right)
Use binomial theorem \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} to expand \left(12-x\right)^{3}.
5184x-1296x^{2}+108x^{3}-3x^{4}
Use the distributive property to multiply 3x by 1728-432x+36x^{2}-x^{3}.
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