document.write( "Question 588597: factor the expression:\r
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Algebra.Com's Answer #374559 by shiv s b(7)\"\" \"About 
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d^2-7d-7d+49=0
\n" ); document.write( "d(d-7)-d(d-7)=0
\n" ); document.write( "(d-7)(d-7)\r
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