document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106453>Question 106453</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I can't figure out this problem, could you help?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%2F%28b%2B%28c%2Fd%29%29=c+ ALIGN=MIDDLE  ALT=\"+a%2F%28b%2B%28c%2Fd%29%29=c+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "How do you solve for c?  thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77464 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=77464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First thing is to get all of the terms containing 'c' on one side of the equation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%2F%28b%2B%28c%2Fd%29%29=c+ ALIGN=MIDDLE  ALT=\"+a%2F%28b%2B%28c%2Fd%29%29=c+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=c%28b%2B%28c%2Fd%29%29 ALIGN=MIDDLE  ALT=\"a=c%28b%2B%28c%2Fd%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now if we multiply both sides by 'd', we can get rid of that pesky denominator on the right.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ad=c%28bd%2Bc%29 ALIGN=MIDDLE  ALT=\"ad=c%28bd%2Bc%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Distribute 'c'\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ad+=+bdc+%2B+c%5E2 ALIGN=MIDDLE  ALT=\"ad+=+bdc+%2B+c%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "And rearrange to standard quadratic form:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2+%2B+bdc+-ad+=+0 ALIGN=MIDDLE  ALT=\"c%5E2+%2B+bdc+-ad+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "now solve for 'c' using the quadratic formula:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "except that you would substitute 'c' for 'x'; 'bd' for 'b'; 1 for a; and 'ad' for 'c', thus:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c+=+%28-bd+%2B-+sqrt%28+%28bd%29%5E2-4%2Aad+%29%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"c+=+%28-bd+%2B-+sqrt%28+%28bd%29%5E2-4%2Aad+%29%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "General hint:  The variable for which you were solving existed in the numerator on one side of the equation, and in the denominator on the other side.  That guaranteed that you were going to be dealing with a quadratic. </SPAN>\n" );
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