P² - q² - p + q =? p²- q²- p-q =?

Question

P² - q² - p + q =? p²- q²- p-q =?

Answer 1

Ответ:

1) (p-q)×(p+q-1)

2) (p+a)×(p-q-1)

Answer 2

Ответ:

1) (p-q) • (p+q) - (p-q)

(p-q) • (p+q-1)

2) (p-q) • (p+q) - (p+q)

(p+q) • (p-q-1)