Question

Simplify each of the following expressions :

(root7+3) (root7-3)​

Answer 1

Step-by-step explanation:

hope this answer helps you..

Answer 2

Step-by-step explanation:

(✓7-3) (✓7+3)

now according to formula -(a+b) (a-b) =a^2-b^2

✓7^2-3^2

7-9

-2

therefore the answer of this question is -2.