document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924056>Question 924056</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help to simplify 3x^2+5x-4x^2+2x\r<BR>\n" );
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document.write( "Thank you in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #560549 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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/cgi-bin/show-face.mpl?user=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=560549\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x^2+5x-4x^2+2x<BR>\n" );
document.write( "first combine like terms<BR>\n" );
document.write( "-x^2 +7x<BR>\n" );
document.write( "multiply both sides of = by -<BR>\n" );
document.write( "x^2 -7x = 0<BR>\n" );
document.write( "now this can be solved by completing the square, take half of 7 and square<BR>\n" );
document.write( "x^2 -7x + 49/4 = 49/4<BR>\n" );
document.write( "(x - 7/2)^2 = (7/2)^2<BR>\n" );
document.write( "now take the square root<BR>\n" );
document.write( "x - 7/2 = 7/2<BR>\n" );
document.write( "x = 7<BR>\n" );
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