Question 258155
Here is the original equation
(i) {{{y=(x-2)^2}}}
rewrite it as
(ii) {{{y = (x-2)(x-2)}}}
by FOIL, we get
(iii) {{{y = x^2 - 2x - 2x + 4}}}
combine like terms to get
(iv) {{{y = x^2 - 4x + 4}}}