Evaluate
12\left(xy\right)^{3}
Differentiate w.r.t. x
36x^{2}y^{3}
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-8x^{3}y^{3}+20x^{3}y^{3}
Combine 4x^{3}y^{3} and -12x^{3}y^{3} to get -8x^{3}y^{3}.
12x^{3}y^{3}
Combine -8x^{3}y^{3} and 20x^{3}y^{3} to get 12x^{3}y^{3}.
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