Question 628813
{{{(2x^3)(1/4x^4)(x^2)(12x)^2}}} expand squared term
{{{(2x^3)(1/4x^4)(x^2)(144x^2)}}} collect like terms
{{{(((2*144)/4)((x^3*x^2*x^2)/x^4))}}} simplify
{{{(72)(x^7/x^4)}}} simplify again
{{{72x^3}}}