document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=160328>Question 160328</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, Can you please help me?<BR>\n" );
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document.write( "Quadratic Equations ( You solve this problem same as quadratic equation)<BR>\n" );
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document.write( "Solve <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+-+3+%28sqrt%28x%29%29+-+4+=+0+ ALIGN=MIDDLE  ALT=\"+x+-+3+%28sqrt%28x%29%29+-+4+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "I replaced <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28x%29+ ALIGN=MIDDLE  ALT=\"+sqrt%28x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > with \"u\", and solved like a normal quadratic equation<BR>\n" );
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document.write( "I found out that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+u+=+4+ ALIGN=MIDDLE  ALT=\"+u+=+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+u+=+%28-1%29+ ALIGN=MIDDLE  ALT=\"+u+=+%28-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+u+=+sqrt+%28x%29+ ALIGN=MIDDLE  ALT=\"+u+=+sqrt+%28x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, I found that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+u%5E2+ ALIGN=MIDDLE  ALT=\"+x+=+u%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "If we replace the \"u\" with \"4\" and (-1), it means <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+4%5E2+ ALIGN=MIDDLE  ALT=\"+x+=+4%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+u+=+%28-1%29%5E2+ ALIGN=MIDDLE  ALT=\"+u+=+%28-1%29%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+16+ ALIGN=MIDDLE  ALT=\"+x+=+16+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+1+ ALIGN=MIDDLE  ALT=\"+x+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "I found the answers, but when I looked at the answers in the book, the book only had <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+16+ ALIGN=MIDDLE  ALT=\"+x+=+16+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, why wouldn't <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+1+ ALIGN=MIDDLE  ALT=\"+x+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or did the book forget to mention <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+1+ ALIGN=MIDDLE  ALT=\"+x+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Thanks ahead of time, Levi<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #118267 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=118267\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It's a very good idea to use proofs for ALL answers.<BR>\n" );
document.write( "x - 3 (sqrt(x)) - 4 = 0<BR>\n" );
document.write( "Let x=1:<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "x-3sqrtx-4=0<BR>\n" );
document.write( "1-3sqrt1-4=0<BR>\n" );
document.write( "1-3*1-4=0<BR>\n" );
document.write( "1-3-4=0<BR>\n" );
document.write( "1-7=0<BR>\n" );
document.write( "-6=0 not a valid proof.<BR>\n" );
document.write( "Let x=-1<BR>\n" );
document.write( "-1-3sqrt-1-4=0<BR>\n" );
document.write( "1-3*i-4=0<BR>\n" );
document.write( "-3-3i=0 not a valid proof.<BR>\n" );
document.write( "Proof for x=16:<BR>\n" );
document.write( "16-3sqrt16-4=0<BR>\n" );
document.write( "16-3*4-4=0<BR>\n" );
document.write( "16-12-4=0<BR>\n" );
document.write( "16-16=0<BR>\n" );
document.write( "0=0 a valid proof.\r<BR>\n" );
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