document.write( "Question 1013706: How to solve u2=49 where U is a real number \n" ); document.write( "
Algebra.Com's Answer #630008 by fractalier(6550)\"\" \"About 
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If you mean u^2 = 49, we take the square root of each side and get
\n" ); document.write( "u = +/-7 (plus or minus seven)
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