document.write( "Question 137738: please help me with this equation
\n" ); document.write( " (m+1)(m-1)=0
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Algebra.Com's Answer #100714 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
Use the Zero Product Rule.\r
\n" ); document.write( "\n" ); document.write( "\"ab=0\" if and only if \"a=0\" or \"b=0\".
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