This is my first question on StackExchange. So my question is:
If
x=5–√+2−−−−−−√+5–√−2−−−−−−√5–√+1−−−−−−√+5–√+2−−−−−−√+5–√−2−−−−−−√25–√+1−−−−−−√−3−22–√−−−−−−−√
What is the value of x2?
If someone can also tell me how to input mathematical functions on the StackExchange it would be appreciated.
Answer:
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