document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246109>Question 246109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I wrote problem two ways: I think this one however, is the correct one<BR>\n" );
document.write( "f(x)=3x^2 + x - 5\r<BR>\n" );
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document.write( "f(x)=3x^2 + x - 5<BR>\n" );
document.write( "3x^2 + x -5 = 0<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 #179748 by </B><A HREF=/tutors/aboutme.mpl?userid=marcsam823><B>marcsam823(57)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=marcsam823><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=179748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since there is no easy way to factor this equation, use the quadratic formula:<BR>\n" );
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( "the general formula for a quadratic is <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ax%5E2+%2B+bx+%2B+c+=+0 ALIGN=MIDDLE  ALT=\"ax%5E2+%2B+bx+%2B+c+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Your equation is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2+%2B+x+-5+=+0 ALIGN=MIDDLE  ALT=\"3x%5E2+%2B+x+-5+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore:<BR>\n" );
document.write( "a=3<BR>\n" );
document.write( "b=1<BR>\n" );
document.write( "c=-5\r<BR>\n" );
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document.write( "Substitute and solve for x:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-%281%29%2B-+sqrt%28+1%5E2-4%2A3%2A-5%29%29%2F%282%2A3%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-%281%29%2B-+sqrt%28+1%5E2-4%2A3%2A-5%29%29%2F%282%2A3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-%281%29%2B-+sqrt%28+1-%28-60%29%29%29%2F6+ ALIGN=MIDDLE  ALT=\"x+=+%28-%281%29%2B-+sqrt%28+1-%28-60%29%29%29%2F6+\"   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=x+=+%28-%281%29%2B-+sqrt%28+1%2B60%29%29%2F6+ ALIGN=MIDDLE  ALT=\"x+=+%28-%281%29%2B-+sqrt%28+1%2B60%29%29%2F6+\"   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=x+=+%28-1+%2B-+sqrt%28+61%29%29%2F6+ ALIGN=MIDDLE  ALT=\"x+=+%28-1+%2B-+sqrt%28+61%29%29%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "There are 2 answers: (this are the x -coordinates of the points where the parabola crosses the x-axis):<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1+%2B+sqrt%2861%29%29%2F6+=+1.135 ALIGN=MIDDLE  ALT=\"%28-1+%2B+sqrt%2861%29%29%2F6+=+1.135\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1+-+sqrt%2861%29%29%2F6+=+1.468 ALIGN=MIDDLE  ALT=\"%28-1+-+sqrt%2861%29%29%2F6+=+1.468\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );