document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186639>Question 186639</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Subtract the sum of (4X^2 +3X-1) and (3X^2 -1) From (8X^2 -5X + 2) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139898 by </B><A HREF=/tutors/aboutme.mpl?userid=uday1435><B>uday1435(57)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=uday1435><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=uday1435><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=139898\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here we have to add (4x^2 + 3x -1 ) and (3x^2 -1) <BR>\n" );
document.write( "We can add up only the coefficients of the like terms<BR>\n" );
document.write( "Which means<BR>\n" );
document.write( "(4x^2 + 3x -1 ) + (3x^2 -1) = (4+3) x^2 +3x (–1 – 1) = 7x^2 + 3x -2\r<BR>\n" );
document.write( "\n" );
document.write( "We need to subtract this (7x^2 + 3x -2) from (8x^2 –5x +2)<BR>\n" );
document.write( "Let us do that we need to change the signs (shown in red) of all terms in (7x^2 + 3x -2)<BR>\n" );
document.write( "(8x^2 –5x +2) - (7x^2 + 3x -2) = 8^2 –5x +2 – 7x^2 – 3x+2<BR>\n" );
document.write( "= (8- 7)x^2  (- 5 – 3)x (+2+2)  =  x^2 – 8x + 4<BR>\n" );
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