document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347527>Question 347527</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by factoring\r<BR>\n" );
document.write( "\n" );
document.write( "10y^2-9y=1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248444 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=248444\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Okay, from<BR>\n" );
document.write( "10y^2 - 9y = 1<BR>\n" );
document.write( "let's bring the one over by subtracting it from both sides and get<BR>\n" );
document.write( "10y^2 - 9y - 1 = 0<BR>\n" );
document.write( "Now let's set up our binomial factors...<BR>\n" );
document.write( "(   )(   ) = 0<BR>\n" );
document.write( "We look at the second sign and know our factors' signs are different...<BR>\n" );
document.write( "( + )( - ) = 0<BR>\n" );
document.write( "The we multiply the first and last coefficients and say<BR>\n" );
document.write( "\"We need factors of ten that have a difference of 9.\"<BR>\n" );
document.write( "Well -10 and +1 fit the bill...<BR>\n" );
document.write( "(10y + 1)(y - 1) = 0<BR>\n" );
document.write( "y = -1/10 and y = 1 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );