Question 1045487
 {{{(2x+12)/(3x-9)}}} * {{{(2x-6)/(3x+18)}}}
Factor
{{{(2(x+6))/(3(x-3))}}} * {{{(2(x-3))/(3(x+6))}}} 
(x+6) and (x-3) cross cancels, multiply the remaining fractions
{{{2/3}}} * {{{2/3}}} = {{{4/9}}}