Question 269460
{{{(x-9)(x-3)=-8}}}
{{{x^2 -3x -9x + 27 = -8}}}
{{{x^2 -12x + 35 = 0}}}
{{{(x-5)(x-7)=0}}}
.
{{{x^3 -x^2 + 40}}}
{{{x^2(x -1) + 40}}}
.
{{{x^2 -18xy + 81y^2}}}
{{{(x -9y)(x - 9y)}}}
{{{(x - 9y)^2}}}