Question

Simplify (√7 - √2) (√7 + √2)

Answer 1

Answer:

(√7 - √2) (√7 + √2)

Firstly pls be aware that

√7*√7= 7

And

√2*√2=2

This is in the form

(a+b)(a-b)

$= a^{2} - b^{2}$

= (√7*√7) - (√2*√2)

= 7-2= 5

The answer is 5

Hope this helps u! :)

Answer 2

5

using the identity (a - b)2

Step-by-step explanation:

7 - 2

= 5