Question

Simplify (√3+√7)(√3-√7)​

Answer 1

answer

-4

step by step explanation

given (√3+√7)(√3-√7)

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

(√3)^2-(√7)^2

3-7=-4

Answer 2

Answer:

$( \sqrt{3} ) {}^{2} - ( \sqrt{7}) {}^{2} \\ = 3 - 7 \\ = - 4$