document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=264119>Question 264119</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help please! State any restrictions on x. And solve for x.\r<BR>\n" );
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document.write( "5 over (3x) + 2 over (x^2) equals 7 over (9)\r<BR>\n" );
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document.write( "denminators in () </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #194496 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=194496\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> State any restrictions on x. And solve for x. <BR>\n" );
document.write( "5 over (3x) + 2 over (x^2) equals 7 over (9) <BR>\n" );
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document.write( "(5/3x) + 2/x^2 = 7/9<BR>\n" );
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document.write( "Multiply thru by 9x^2 to get:<BR>\n" );
document.write( "15x + 18 = 7x^2<BR>\n" );
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document.write( "Rearrange:<BR>\n" );
document.write( "7x^2 - 15x - 18 = 0<BR>\n" );
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document.write( "Use Quadratic Formula:<BR>\n" );
document.write( "x = [15 +- sqrt(225 - 4*7*-18)]/14<BR>\n" );
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document.write( "x = [15 +- sqrt(729)]/14<BR>\n" );
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document.write( "x = [15 +- 27]/14<BR>\n" );
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document.write( "x = [42/14) or x = [-12/14]<BR>\n" );
document.write( "x = 3 or x = -6/7<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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