Question 881925
*[invoke foil "(x-11)^2"]

---------------------------------------------------------------


You can also use the perfect square rule


{{{(a-b)^2 = a^2 - 2ab + b^2}}}


{{{(x-11)^2 = x^2 - 2*x*11 + 11^2}}} Plug in a = x, b = 11


{{{(x-11)^2 = x^2 - 22x + 121}}}