Question 168219
{{{((x^2+6x+9)/x)((x^2-3x)/(x^2-9))}}} Factorise each term
{{{(((x+3)(x+3))/x)*(x(x-3)/(x+3)(x-3)))}}} Cancel out common terms
{{{(((x+3)(x+3))/cross(x))*(cross(x)(x-3)/(x+3)(x-3)))}}}
{{{(((x+3)(x+3)))*(cross(x-3)/(x+3)cross(x-3)))}}}
{{{(((x+3)cross(x+3)))/(cross(x+3)))}}}
{{{(x+3)}}}