document.write( "Question 698540: (x square - x -1) (x+1) \n" ); document.write( "

Algebra.Com's Answer #430823 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+%28+x%5E2++-+x+-+1+%29%2A%28+x+%2B+1+%29+\"$
\n" ); document.write( " $\"++%28x%2Ax%5E2+-+x%2Ax+-+1%2Ax%29+%2B+%28+1%2Ax%5E2+-+1%2Ax+-+1%2A1+%29+\"$
\n" ); document.write( " $\"+x%5E3+-+x%5E2+-+x+%2B+x%5E2+-+x+-+1+\"$
\n" ); document.write( " $\"+x%5E3+-+2x+-+1+\"$ answer
\n" ); document.write( "---------------------
\n" ); document.write( "You can do a quick check by plugging in a number for $\"+x+\"$
\n" ); document.write( "like, $\"+x+=+5+\"$
\n" ); document.write( " $\"+x%5E3+-+2x+-+1+\"$
\n" ); document.write( " $\"+5%5E3+-+2%2A5+-+1+=+125+-+11+\"$
\n" ); document.write( " $\"+125+-+11+=+114+\"$
\n" ); document.write( "------------------
\n" ); document.write( " $\"+%28+x%5E2++-+x+-+1+%29%2A%28+x+%2B+1+%29+\"$
\n" ); document.write( " $\"+%28+5%5E2++-+5+-+1+%29%2A%28+5+%2B+1+%29+\"$
\n" ); document.write( " $\"+%28+25+-+6+%29%2A6+\"$
\n" ); document.write( " $\"+19%2A6+=+114+\"$
\n" ); document.write( "OK \n" ); document.write( "

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