Evaluate
4x\left(6-x\right)\left(9-x\right)
Expand
4x^{3}-60x^{2}+216x
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\left(12x-2x^{2}\right)\left(18-2x\right)
Use the distributive property to multiply x by 12-2x.
216x-24x^{2}-36x^{2}+4x^{3}
Apply the distributive property by multiplying each term of 12x-2x^{2} by each term of 18-2x.
216x-60x^{2}+4x^{3}
Combine -24x^{2} and -36x^{2} to get -60x^{2}.
\left(12x-2x^{2}\right)\left(18-2x\right)
Use the distributive property to multiply x by 12-2x.
216x-24x^{2}-36x^{2}+4x^{3}
Apply the distributive property by multiplying each term of 12x-2x^{2} by each term of 18-2x.
216x-60x^{2}+4x^{3}
Combine -24x^{2} and -36x^{2} to get -60x^{2}.
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