document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=507702>Question 507702</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 6. Completely factor the following expression:<BR>\n" );
document.write( "36a^2 – 84ab + 49b^2\r<BR>\n" );
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document.write( "7. Completely factor the following expression:<BR>\n" );
document.write( "9y^2 – 16z^2  \r<BR>\n" );
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document.write( "I do not understand please help me!I am desperate!!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #340713 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=340713\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 6. Noting that 36 = 6^2, 49 = 7^2, and 84 = 6*7, intuitively we would write something like\r<BR>\n" );
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document.write( "(6a - 7b)^2 (note the minus because the ab coefficient is -84 instead of 84).\r<BR>\n" );
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document.write( "Writing the factored form out of nowhere and no trial-and-error takes some practice and experience.\r<BR>\n" );
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document.write( "7. This is a difference of two squares, and can be written as (3y)^2 - (4z)^2, or (3y + 4z)(3y - 4z). </SPAN>\n" );
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