Suppose p : U → U with p(x)=x^{3} determine expression/s equivalent to \frac{p(x+h)-p(x)}{h} -\frac{27 h^{3}-27 h^{2} x+9 h x^{2}-x^{3}-4}{h} h^{2}+3 h x+3 x^{2} \frac{h^{3}+3 h^{2} x+3 h x^{2}+2 x^{3}}{h}

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