Question

use suitable identities to find the following products :
Please answer in step by step if you send in copy then it's very good i will mark you as brainliast and if you send it in text and if it is readable to me then also I will mark you as brainliast ​

Answer 1

Here's your answer. Hope it helps you and you mark it as Brainlist.

Answer 2

Step-by-step explanation:

1. (x+a)(x+b)=x²+(a+b)x +ab

(x+7)(x+15)=x²+(17+5)x+17x5

=x²+22x+85

2.(x+a)(x-b)=x²+(a-b)x-ab

(x+8)(x-5)=x²+(8-5)x-8x5

=x²+3x-40