how to factor x^2+20

it is factoring i do not how to factor this problem
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ur quesion is x^2+20 so its done like this ....... x^2=-20 then square goes to 20 and the square root of 20 is 2 root 5  so the answer is -2root5 hope it helps if u like it pls reply........ to my email address prakash.upadhyay6@yahoo.com thank you.......
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