document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=872554>Question 872554</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve<BR>\n" );
document.write( "a) 7p^(-1) + 2p^(-2) - 4 = 0 <BR>\n" );
document.write( "Can you please help me out? Thanks so much in advance:)\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #526273 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=526273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve<BR>\n" );
document.write( "a) 7p^(-1) + 2p^(-2) - 4 = 0<BR>\n" );
document.write( "let p^(-1)=x<BR>\n" );
document.write( "p^(-2)=x^2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2x^2+7x-4=0<BR>\n" );
document.write( "(2x-1)(x+4)=0<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x=1/2=p^(-1)=1/p<BR>\n" );
document.write( "p=2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x=-4=p^(-1)=1/p<BR>\n" );
document.write( "p=-1/4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );