i think this is supposed to be an example of an exponent not "distributing over addition?
(x-2)2
(x – 2)2 = (x – 2)(x – 2) = xx – 2x – 2x + 4 = x2 – 4x + 4.
I don't understand where they are getting the -2x from?
is this question even right?
someone please help..thanks