document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=68421>Question 68421</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the equation x^2-7=4x^2+5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48677 by </B><A HREF=/tutors/aboutme.mpl?userid=rmromero><B>rmromero(383)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rmromero><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=48677\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-7=4x%5E2%2B5 ALIGN=MIDDLE  ALT=\"x%5E2-7=4x%5E2%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br><br><BR>\n" );
document.write( "1. Simplify the equation.Combine like terms<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-7+-+5%29+=+4x%5E2+-+x%5E2 ALIGN=MIDDLE  ALT=\"+%28-7+-+5%29+=+4x%5E2+-+x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-12%29+=+3x%5E2 ALIGN=MIDDLE  ALT=\"+%28-12%29+=+3x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "2. Divide both sides by 3.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-12%29%281%2F3%29+=+3x%5E2%281%2F3%29 ALIGN=MIDDLE  ALT=\"+%28-12%29%281%2F3%29+=+3x%5E2%281%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-4%29+=+x%5E2 ALIGN=MIDDLE  ALT=\"+%28-4%29+=+x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "3. extract square root both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28-4%29+=+sqrt%28x%5E2%29 ALIGN=MIDDLE  ALT=\"+sqrt%28-4%29+=+sqrt%28x%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28-4%29+=+x ALIGN=MIDDLE  ALT=\"+sqrt%28-4%29+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br><Br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt+%28%28-1%29%284%29%29+=+x ALIGN=MIDDLE  ALT=\"sqrt+%28%28-1%29%284%29%29+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<br> <i> Note: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt+%28-1%29+=+i%29 ALIGN=MIDDLE  ALT=\"sqrt+%28-1%29+=+i%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt+%284%29+=+2 ALIGN=MIDDLE  ALT=\"sqrt+%284%29+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ></i><BR>\n" );
document.write( "<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4i+=+x ALIGN=MIDDLE  ALT=\"+4i+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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