document.write( "Question 398219: How do I find out whether a number is the product of -1 \n" ); document.write( "
Algebra.Com's Answer #282195 by stanbon(75887)\"\" \"About 
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Every number is a multiple of -1
\n" ); document.write( "just like every number is a multiple
\n" ); document.write( "of 1.
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\n" ); document.write( "Let \"a\" be any number.
\n" ); document.write( "Then a = (-1)(-a)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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