Question

simplify (√3+√7) (√3-√7)​

Answer 1

hope this helps u

(√3+√7) (√3-√7)​

(a+b)(a-b) = a²-b²

(√3+√7) (√3-√7)​= [√3]²-[√7]²

                           = 3 - 7

(√3+√7) (√3-√7)​ = -4

Answer 2

Answer:

-4

Step-by-step explanation:

formula to use: (a+b)(a-b)=a^2-b^2.

a=square root of 3.

b=square root of 7.

a^2-b^2 = 3-7

= -4.