Question

simplify the following expressions(5+√5)(5-√5)​

Answer 1

Answer:

20

Step-by-step explanation:

using identity

(a+b)(a-b) = a^2-b^2

=> (5+√5)(5-√5)= 5^2-√5^2 =25-5=20

pls mark as brainliest and follow me

Answer 2

(5+2.5) (5-2.5)

3.0 x 2.0

5.0 answer