document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190243>Question 190243</A>: <I><SPAN STYLE=\"word-break: break-all;\"> rationalize the denominator<BR>\n" );
document.write( "3/4-sqrt7\r<BR>\n" );
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document.write( "This is what I did:<BR>\n" );
document.write( "3*sqrt7 / 4-sqrt7*sqrt7<BR>\n" );
document.write( "3sqrt7/-3<BR>\n" );
document.write( "-sqrt7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142762 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=142762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F%284+-+sqrt%287%29%29 ALIGN=MIDDLE  ALT=\"3%2F%284+-+sqrt%287%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given expression.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%284+%2B+sqrt%287%29%29%29%2F%28%284-sqrt%287%29%29%284%2Bsqrt%287%29%29%29 ALIGN=MIDDLE  ALT=\"%283%284+%2B+sqrt%287%29%29%29%2F%28%284-sqrt%287%29%29%284%2Bsqrt%287%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both the numerator and denominator by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2Bsqrt%287%29 ALIGN=MIDDLE  ALT=\"4%2Bsqrt%287%29\"   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=%283%284+%2B+sqrt%287%29%29%29%2F%284%5E2+-+%28sqrt%287%29%29%5E2%29 ALIGN=MIDDLE  ALT=\"%283%284+%2B+sqrt%287%29%29%29%2F%284%5E2+-+%28sqrt%287%29%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > FOIL the denominator (using the difference of squares)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%284%2Bsqrt%287%29%29%29%2F%2816-7%29 ALIGN=MIDDLE  ALT=\"%283%284%2Bsqrt%287%29%29%29%2F%2816-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Square each term\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%284%2Bsqrt%287%29%29%29%2F%289%29 ALIGN=MIDDLE  ALT=\"%283%284%2Bsqrt%287%29%29%29%2F%289%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812%2B3%2Asqrt%287%29%29%2F%289%29 ALIGN=MIDDLE  ALT=\"%2812%2B3%2Asqrt%287%29%29%2F%289%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F%284+-+sqrt%287%29%29=%2812%2B3sqrt%287%29%29%2F%289%29 ALIGN=MIDDLE  ALT=\"3%2F%284+-+sqrt%287%29%29=%2812%2B3sqrt%287%29%29%2F%289%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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