Question

x² -y² - y² - x²
Answer it ok plllllllsssss

Answer 1

Answer:

-2y^2 is the correct answer.

Answer 2

$\huge\fbox\red{Solution}$

${x}^{2} - {y}^{2} - {y}^{2} - {x}^{2} \\ {x}^{2} - {x}^{2} - {y}^{2} - {y}^{2} \\ 0 - 2 {y}^{2} \\ - 2{y}^{2}$