Question

I need some help with this question. the first one is the question and the second one is a really clean miata

Answer 1

d

Explanation:

Answer 2

(8x^2 - 9y^2 - 4x) + (x^2 - 3y^2 - 7x)

8x^2 - 9y^2 - 4x + x^2 - 3y^2 - 7x

9x^2 - 12y^2 - 11x