document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1176793>Question 1176793</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (m + n) /(m - n) + ( m - n) / (m + n)\r<BR>\n" );
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document.write( "Determine sum.\r<BR>\n" );
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document.write( "m^2 + n^2 + m^2 - n^2 (cross multiplied).\r<BR>\n" );
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document.write( "Not sure if correct steps. </SPAN>\n" );
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document.write( "Cross multiplication is not valid here.<br><BR>\n" );
document.write( "If you have an EQUATION of the form a/b=c/d you can cross multiply to get ad=bc.<br><BR>\n" );
document.write( "But there is no equation here (no equals sign).  It's just an expression that is the sum of two fractions.  Simplify by getting a common denominator.<br><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28m%2Bn%29%28m%2Bn%29%29%2F%28%28m-n%29%28m%2Bn%29%29%2B%28%28m-n%29%28m-n%29%29%2F%28%28m%2Bn%29%28m-n%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28m%5E2%2B2mn%2Bn%5E2%29%2F%28m%5E2-n%5E2%29%2B%28m%5E2-2mn%2Bn%5E2%29%2F%28m%5E2-n%5E2%29 ALIGN=MIDDLE  ALT=\"%28m%5E2%2B2mn%2Bn%5E2%29%2F%28m%5E2-n%5E2%29%2B%28m%5E2-2mn%2Bn%5E2%29%2F%28m%5E2-n%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282m%5E2%2B2n%5E2%29%2F%28m%5E2-n%5E2%29 ALIGN=MIDDLE  ALT=\"%282m%5E2%2B2n%5E2%29%2F%28m%5E2-n%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
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