document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=683283>Question 683283</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the vertex form to 3x^2+12x+20 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #423508 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=423508\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = 3x^2+12x+20\r<BR>\n" );
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document.write( "y - 20 = 3x^2+12x\r<BR>\n" );
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document.write( "y - 20 = 3(x^2+4x)\r<BR>\n" );
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document.write( "y - 20 = 3(x^2+4x+4-4)\r<BR>\n" );
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document.write( "y - 20 = 3((x^2+4x+4)-4)\r<BR>\n" );
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document.write( "y - 20 = 3((x+2)^2-4)\r<BR>\n" );
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document.write( "y - 20 = 3(x+2)^2-3*4\r<BR>\n" );
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document.write( "y - 20 = 3(x+2)^2-12\r<BR>\n" );
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document.write( "y = 3(x+2)^2-12+20\r<BR>\n" );
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document.write( "y = 3(x+2)^2 + 8\r<BR>\n" );
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document.write( "So after completing the square, \r<BR>\n" );
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document.write( "3x^2+12x+20\r<BR>\n" );
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document.write( "turns into \r<BR>\n" );
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document.write( "3(x+2)^2 + 8\r<BR>\n" );
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document.write( "which is now in vertex form. </SPAN>\n" );
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