document.write( "Question 43863: Find LCM of m^2-4m-5 and m^2+8m+7.\r
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Algebra.Com's Answer #28811 by gsmani_iyer(201)\"\" \"About 
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\n" ); document.write( " First take out the factors of both the expressions. Then take common factor as one factor and other factors once to arrive at the Least Common Multiple. Here,
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\n" ); document.write( "\"m%5E2-4m-5\" = (m-5)(m+1)
\n" ); document.write( "\"m%5E2%2B8m%2B7\" = (m+7)(m+1)
\n" ); document.write( "In the factors of both the above expressions, we find (m+1) as one of the factors. So we will form an expression taking (m+1) as a factor and uncommon factors i.e.(m-5) and (m+7) as other factors. That will be the LCM. of those two expressions.
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\n" ); document.write( "So the LCM = (m+1)(m-5)(m+7). Answer.\r
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