Kylie explained that (–4x + 9)2 will result in a difference of squares because (–4x + 9)2 = (–4x)2 + (9)2 = 16x2 + 81. Which statement best describes Kylie’s explanation? Answer is C, (Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.)
Accepted Solution
A:
the answer is correct because it would have to go like this;