document.write( "Question 762661: why -1*-1=1 \n" ); document.write( "

Algebra.Com's Answer #464093 by Stitch(470) $\"\"$ $\"About$

You can put this solution on YOUR website!
One multiplied by any number is equal to that number.
\n" ); document.write( "For example:
\n" ); document.write( " $\"1%2A1+=+1\"$
\n" ); document.write( " $\"1%2A4+=+4\"$
\n" ); document.write( " $\"1%2A32+=+32\"$
\n" ); document.write( " $\"1%2AA+=+A\"$
\n" ); document.write( "---------------
\n" ); document.write( "When a negative number is multiplied by another negative number, the negative signs cancel out and make the result positive.
\n" ); document.write( "Examples:
\n" ); document.write( " $\"-2%2A-4+=+8\"$
\n" ); document.write( " $\"-3%2A-2+=+6\"$
\n" ); document.write( " $\"-1%2A-1+=+1\"$
\n" ); document.write( " \n" ); document.write( "

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