Question

multiply : p-q and p+q​

Answer 1

Answer:

$(p + q)(p - q) \\ = {p}^{2} - {q}^{2}$

Step-by-step explanation:

hope it helps you<3

Answer 2

Answer:

p² - q²

Step-by-step explanation:

Use difference of squares identity:

(p - q) (p + q)

p² - q²

Full expansion:

(p - q) (p + q)

= p² + pq - pq - q²

= p² - q²