Question

(√5 + 5) (√5 − 5)
this is it

Answer 1

Answer:

this is the answer ok Like vote

Answer 2

Answer:

-20

Step-by-step explanation:

$( \sqrt{5} + 5)( \sqrt{5} - 5) \\ { \sqrt{(5)} }^{2} - {5}^{2} \\ 5 - 25 \\ = - 20$

I think that is correct answer