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?

Kylie is correct.
Kylie correctly understood that it is a difference of squares, but she did not determine the product correctly.
Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.
Kylie determined the product correctly, but she did not understand that this is a perfect square trinomial.

Question

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?

Kylie is correct.
Kylie correctly understood that it is a difference of squares, but she did not determine the product correctly. 
Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly. 
Kylie determined the product correctly, but she did not understand that this is a perfect square trinomial.

anonymous · Answer

@AlexandervonHumboldt2 @FLAMER123 @Nnesha

anonymous · Answer

b.

anonymous · Answer

Kylie is supposed to wait nvm she's right.

anonymous · Answer

So wat is it @FLAMER123