Question

SIMPLIFY [5+ ROOT 5 ] [5-ROOT 5]

Answer 1

Answer:

20

Step-by-step explanation:

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

here a = 5 and b = root(5)

(5 + root(5) ) (5 - root(5))

25 - 5 = 20

hope this helps