document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=67642>Question 67642</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977223/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> y2-3y+2=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48146 by </B><A HREF=/tutors/aboutme.mpl?userid=brandonpark2889><B>brandonpark2889(31)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=brandonpark2889><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=48146\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y2-3y+2=0\r<BR>\n" );
document.write( "\n" );
document.write( "I hope that y2 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2 ALIGN=MIDDLE  ALT=\"y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >? If so, then I can answer it.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2-3y%2B2=0 ALIGN=MIDDLE  ALT=\"y%5E2-3y%2B2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Factor this completely: (y-2)(y-1). This equals<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2-3y%2B2 ALIGN=MIDDLE  ALT=\"y%5E2-3y%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, doesn't it?<BR>\n" );
document.write( "So now... we follow the zero product property... think. If y equals 2,<BR>\n" );
document.write( "then= (2-2)(2-1)=0. 0(1)=0. 0=0. It is correct... but...<BR>\n" );
document.write( "another answer is 1. (1-2)(1-1)=0. -1(0)=0. 0=0.<BR>\n" );
document.write( "So at the end... y equals {1,2}.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "I like math, period. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );