Question

use formula to multiply the following (b-8) (b+8)​

Answer 1

Answer:

b=8

Step-by-step explanation:

b2-(8)2

b2-64

b2=64

b= root 64

b=8

Answer 2

Answer:

1. (a-b) (a+b) =a^2-b^2
2. so (b-8) (b+8) =b^2-8^2
3. b^2-64
4. b^2=64
5. b=√64
6. b=8