document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89248>Question 89248</A>: <I><SPAN STYLE=\"word-break: break-all;\"> divide: p^2+4p-5/p^2+7p+10 × p+4/p-1<BR>\n" );
document.write( "a. 2<BR>\n" );
document.write( "b. p+2<BR>\n" );
document.write( "c. p+4/p+2<BR>\n" );
document.write( "d. p+2/p+4 </SPAN>\n" );
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document.write( "    divide: p^2+4p-5/p^2+7p+10 × p+4/p-1\r<BR>\n" );
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document.write( "    Factorise p^2+4p-5 = p^2+5p-p-5 = p(p+5)-1(p+5) = (p+5).(p-1)<BR>\n" );
document.write( "              <BR>\n" );
document.write( "               p^2+7p+10 = p^2+5p+2p+10 = p(p+5)+2(p+5) = (p+5).(p+2)\r<BR>\n" );
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document.write( "    Therefore p^2+4p-5/p^2+7p+10 x p+4/p-1 = (p+5).(p-1).(p+4)/(p+5).(p+2).(p-1)<BR>\n" );
document.write( "                                           = (p+4)/(p+2)<BR>\n" );
document.write( "                                                                </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );