document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1065838>Question 1065838</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to factor this expression as if I did not know the form of a difference of squares.\r<BR>\n" );
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document.write( "Where is my error?\r<BR>\n" );
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document.write( "4x^2-49<BR>\n" );
document.write( "4x^2 + 14x - 14x - 49<BR>\n" );
document.write( "(4x^2 + 14x) + (- 14x - 49)<BR>\n" );
document.write( "2x(x+7) + -7(x+7)<BR>\n" );
document.write( "(2x-7)(x+7)\r<BR>\n" );
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document.write( "However (2x-7)(x+7) = 2x^2-49 not 4x^2-49<BR>\n" );
document.write( "Where is my error? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #681010 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=681010\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is only one step. <BR>\n" );
document.write( "Factor 4x^2-49<BR>\n" );
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document.write( "4x^2 factors into:<BR>\n" );
document.write( "(2x )(2x )<BR>\n" );
document.write( "Next:<BR>\n" );
document.write( "-49 factors into:<BR>\n" );
document.write( "( -7)( +7)<BR>\n" );
document.write( "All together:<BR>\n" );
document.write( "(2x-7)(2x+7)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );