104k views
1 vote

(√(20) - 2√(45) +√(5) )*√(5)

1 Answer

6 votes

Answer:

-15

Explanation:


(√(20) - 2√(45) +√(5) )*√(5)


= √(20) * √(5) - 2 √(45) * √(5) + √(5) * √(5)


= √(100) - 2 √(225) + √(25)

= 10 - 2 × 15 + 5

= 10 - 30 + 5

= 15 - 30

= -15 (Ans)

User Ole Tange
by
4.6k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.