document.write( "Question 884998: Simultaneously solve y=x^2-2x-3 and y=x+1 \n" ); document.write( "

Algebra.Com's Answer #534830 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Set the equations equal to each other.
\n" ); document.write( " $\"x%5E2-2x-3=x%2B1\"$
\n" ); document.write( " $\"x%5E2-3x-4=0\"$
\n" ); document.write( " $\"%28x-4%29%28x%2B1%29=0\"$
\n" ); document.write( "Two solutions:
\n" ); document.write( " $\"x-4=0\"$
\n" ); document.write( " $\"x=4\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"y=4%2B1=5\"$
\n" ); document.write( "and
\n" ); document.write( " $\"x%2B1=0\"$
\n" ); document.write( " $\"x=-1\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"y=-1%2B1=0\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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