document.write( "Question 224460: 7x^2 = 21 please help \n" ); document.write( "
Algebra.Com's Answer #167677 by chibisan(131)\"\" \"About 
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7x^2 = 21
\n" ); document.write( "x^2 = 3
\n" ); document.write( "\"x+=+-sqrt%283%29+\" or \"+sqrt%283%29\"
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