Question

(5+√5) (5-√5) simplified the expressions​

Answer 1

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

Answer 2

Answer:

20

Step-by-step explanation:

(a+b) (a-b) =a²-b²

(5+√5)(5-√5)=( 5)2 -(√ 5)²

25-5

20