Question 143229
Given {{{(x^2-4xy+4y^2)  / (3xy-6y^2) }}}
{{{(x-2y)(x-2y)  / 3y(x-2y) }}}
{{{(x-2y)  / 3y }}}

See this video for a great explanation
http://collabvsl.wetpaint.com/page/Simplifying+rational+expressions+using+multiplication+or+division