document.write( "Question 378904: The square of Janes age 6 years ago is equal to her age in six years time. Find her present age?\r
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Algebra.Com's Answer #269105 by Alan3354(69443)\"\" \"About 
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(j-6)^2 = j+6
\n" ); document.write( "j^2 - 12j + 36 = j+6
\n" ); document.write( "j^2 - 13j + 30 = 0
\n" ); document.write( "(j-10)*(j-3) = 0
\n" ); document.write( "j = 10
\n" ); document.write( "j = 3 (gives negative ages)
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