Question 111327
{{{81x^2-108x+36}}} Start with the given expression



{{{9(9x^2-12x+4)}}} Factor out the GCF {{{9}}}



Now let's focus on the inner expression {{{9x^2-12x+4}}}



*[invoke change_this_name4450 9, -12, 4, "x"]



So {{{81x^2-108x+36}}} factors to {{{9(3x-2)^2}}}