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1 vote
Simplify (5+√5) (5–√5)​

User Krzysztow
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2 Answers

5 votes

Answer:

20

Explanation:

expand out the brackets

User DL Narasimhan
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2 votes

Answer:

Simplify the radical by breaking the radicand up into a product of known factors.

20

Explanation:

User Rapadura
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