Question

Using the necessary identities, evaluate the following:
87^2 - 13^2

Answer 1

Answer:

I hope it may help's you

Answer 2

Answer: 7400

hope it will help you

Step-by-step explanation:

$=87^{2}-13^{2}$            $[(a^{2}-b^{2})= (a+b)(a-b)]$

$=(87+13)(87-13)\\ = (100)(74)\\=7400\\= Ans$