Question

Simply the following expression (5+ √5)(5-√5)

Answer 1

Answer:

Step-by-step explanation:

→ GIVEN:

⇒  (5+root5)(5-root5)

→ SOLUTION:

⇒ it is of the form (a+b)(a-b)=a^2-b^2

    = 5^2-5

    =25-5

    =20

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