document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=138232>Question 138232</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve for each variable:<BR>\n" );
document.write( "(x-3)(x-7)=0<BR>\n" );
document.write( "b^2+3b-4=0<BR>\n" );
document.write( "n^2+n-12=0<BR>\n" );
document.write( "5x^2+18x=8<BR>\n" );
document.write( "3a^2+4a=2a^2-2a-9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100941 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100941\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (x-3)(x-7)=0<BR>\n" );
document.write( "the only way the product can be zero is if one of the factors is zero.<BR>\n" );
document.write( "x = 3 or x = 7<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "b^2+3b-4=0<BR>\n" );
document.write( "(b+4)(b-1)=0<BR>\n" );
document.write( "b = -4 or b = 1<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "n^2+n-12=0<BR>\n" );
document.write( "(n+4)(n-3)=0<BR>\n" );
document.write( "n=-4 or n=3<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "5x^2+18x=8<BR>\n" );
document.write( "5x^2+18x-8 = 0<BR>\n" );
document.write( "(5x-2)(x+4) = 0<BR>\n" );
document.write( "x = 2/5 or x = -4<BR>\n" );
document.write( "----------------------- <BR>\n" );
document.write( "3a^2+4a=2a^2-2a-9<BR>\n" );
document.write( "a^2+6a+9 = 0<BR>\n" );
document.write( "(a+3)(a+3) = 0<BR>\n" );
document.write( "a=-3 with multiplicity two<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );