document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=715080>Question 715080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the quadratic equation below by factoring and applying the zero product principle. (3x+4)² - 25=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #439205 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=439205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  (3x+4)² - 25=0<BR>\n" );
document.write( "FOIL (3x+4)(3x+4)<BR>\n" );
document.write( "9x^2 + 12x + 12x + 16 - 25 = 0<BR>\n" );
document.write( "9x^2 + 24x - 9 = 0<BR>\n" );
document.write( "factor out 3<BR>\n" );
document.write( "3(3x^2 + 8x - 3) = 0<BR>\n" );
document.write( "divide both sides by 3<BR>\n" );
document.write( "3x^2 + 8x - 3 = 0<BR>\n" );
document.write( "Factor again<BR>\n" );
document.write( "(3x - 1)(x + 3) = 0<BR>\n" );
document.write( "two solutions<BR>\n" );
document.write( "3x = 1<BR>\n" );
document.write( "x = 1/3<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x = -3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );