Question

х^2-х-у^2-у
Решите пж
Срочно

Answer 1

=(x-y)(x+y)-(x+y)=(x+y)(x-y-1)

Answer 2

x² - x - y² - y = (x² - y²) - (x + y) = (x - y)(x + y) - (x + y) = (x + y)(x - y - 1)