document.write( "Question 1114070: What are the coordinates of the points where the graphs of $f(x)=x^3-x^2+x+1$ and $g(x)=x^3+x^2+x-1$ intersect? \n" ); document.write( "
Algebra.Com's Answer #729078 by josgarithmetic(39617)\"\" \"About 
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f(x)=g(x) for their y-coordinates to be equal.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E3-x%5E2%2B1=x%5E3%2Bx%5E2-1\"\r
\n" ); document.write( "\n" ); document.write( "\"-x%5E2%2B1=x%5E2-1\"\r
\n" ); document.write( "\n" ); document.write( "\"2=2x%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2=1\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-1\", and \"x=1\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "For x=-1,
\n" ); document.write( "\"y=-1%2B1-1-1\"
\n" ); document.write( "\"y=-1\"
\n" ); document.write( "-
\n" ); document.write( "For x=1,
\n" ); document.write( "\"y=1%2B1%2B1-1\"
\n" ); document.write( "\"y=2\"
\n" ); document.write( "-
\n" ); document.write( "The two intersection points are (-1,-1) and (1,2).
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