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I need help completing this problem ASAP
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I need help completing this problem ASAP

I need help completing this problem ASAP-example-1
User Khaled Qasem
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1 Answer

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Answer:


4√(5)

Explanation:

Prime factorize 20 and 45


√(20)=√(2*2*5)=2√(5)\\\\\\√(45)= √(5*3*3)=3√(5)


√(20)-√(5)+√(45)=2√(5)-√(5)+3√(5)


=(2-1+3)√(5)\\\\\\= 4√(5)\\

User Bakual
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