Question

what is the value of
(p+q)(p-q)

Answer 1

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

Answer 2

Step-by-step explanation:

p2. - q2. is correct answer

nice question