document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=970050>Question 970050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the completely factored form of the expression 4x^2 - 49 ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592718 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=592718\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a difference of squares, since 4, x^2 and 49 are all perfect squares\r<BR>\n" );
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document.write( "Take the square root of this and make the second term of the first positive and the second term of the other negative.\r<BR>\n" );
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document.write( "(2x+7) (2x-7)  ANSWER\r<BR>\n" );
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document.write( "Foil it out<BR>\n" );
document.write( "4x^2 -14x + 14x -49<BR>\n" );
document.write( "4x^2=49. </SPAN>\n" );
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