Question

(7 + root 7) × (7 - root 7)​

Answer 1

Step-by-step explanation:

49- 7 = 42

.....Thanks..❤

Answer 2

Answer:

the answer is 42

Step-by-step explanation:

the question is in the form of (a+b)(a-b)=(a^2-b^2)

7^2-√7^2

49-7

42

hope this help you mate