document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177130>Question 177130</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078213479/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Factor. Write prime if the expression cannot be factored: 20y^2-33y+10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132188 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=132188\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write prime if the expression cannot be factored: 20y^2-33y+10<BR>\n" );
document.write( "Think of two numbers whose procuct is ac = 20*10 = 200<BR>\n" );
document.write( "and whose sum is -33<BR>\n" );
document.write( "The numbers are -25 and -8<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "Rewrite the problem as follows:<BR>\n" );
document.write( "20y^2 - 25y - 8y + 10<BR>\n" );
document.write( "Factor the 1st two and the last two terms separately:<BR>\n" );
document.write( "5y(4y-5) - 2(4y-5)<BR>\n" );
document.write( "Factor again:<BR>\n" );
document.write( "(4y-5)(5y-2)<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );