document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=421162>Question 421162</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need help solving 21-17t+2t^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #294165 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=294165\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i need help solving 21-17t+2t^2<BR>\n" );
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document.write( "a = 2 ; b = -17 ; c = 21<BR>\n" );
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document.write( "Quadratic formula:<BR>\n" );
document.write( "t = [17 +- sqrt(17^2-4*2*21)]/4<BR>\n" );
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document.write( "t = [17 +- sqrt(121)]/4<BR>\n" );
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document.write( "t = [17 +- 11]/4<BR>\n" );
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document.write( "t = (17+11)/4 or t = (17-11)/4<BR>\n" );
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document.write( "t = 7 or t = 3/2<BR>\n" );
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document.write( "Factors would be (7-t)(3-2t)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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